Fallen Aces: The A.C.E.S. is the closest recommendation if what you want most is a noir investigation wrapped around a first-person shooter. Forgive Me Father 2 is the better follow-up if you care more about hand-drawn visuals, relentless enemy hordes and classic boomer-shooter combat. Neither reproduces MOUSE: P.I. For Hire exactly, because MOUSE combines several unusual elements: black-and-white 1930s rubber-hose animation, detective fiction, high-speed movement, traversal abilities, hub conversations and retro-FPS arenas.
What makes MOUSE: P.I. For Hire difficult to replace
MOUSE: P.I. For Hire is not simply a shooter with a cartoon skin. Its identity comes from the way several distinct ideas operate together. You play private investigator Jack Pepper in Mouseburg, a setting shaped by corruption, kidnapping, murder and violent conspiracies. The presentation is hand-drawn, black-and-white rubber-hose animation inspired by 1930s cartoons, while the combat is built around the speed and aggression associated with old-school first-person shooters.
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The official description from Fumi Games and PlaySide Studios summarizes that combination as “the charm of hand-drawn rubber hose animation inspired by the classic cartoons of the 1930’s” paired with “the adrenaline and action of an explosive first person shooter.” That contrast is the key to choosing an alternative. A game can match the movement but miss the detective story; it can match the illustrated look but lack the noir mood; or it can offer a crime investigation but use an entirely different combat rhythm.
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MOUSE also adds systems that are easy to overlook in a short description:
#1 Best Overall
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- Wall-running, a grapple hook and double-jumping give you multiple ways to cross an arena and evade attacks.
- Weapons have upgrades, and combat includes boss encounters rather than only standard enemy rooms.
- Alt-fire options and environmental attacks add decisions beyond aiming and reloading.
- The campaign returns you to earlier areas after you gain new traversal abilities, creating a metroidvania-like layer of exploration and backtracking.
- Between firefights, a hub contains conversations, detective activity and clue-board work.
- A baseball-card side activity provides an additional pursuit outside the main investigation.
PC Gamer described the combat as boomer-shooter paced, with movement that lets you “dance” around crowded arenas, and called the fundamentals “tight.” The result is a game where the closest comparison depends on which part you want to preserve.
At-a-glance: the two strongest documented alternatives
| Game | What it shares with MOUSE | What it does differently | Best for |
|---|---|---|---|
| Fallen Aces: The A.C.E.S. | Crime-noir setting, a private-investigator protagonist and a comic-book presentation. | Its documented pitch emphasizes crime noir and comic-book style rather than MOUSE’s rubber-hose cartoon look, traversal kit and detective hub structure. | Players who want the closest investigator-and-noir overlap. |
| Forgive Me Father 2 | Hand-drawn, comic-like visuals and old-school FPS combat with large enemy groups, weapons and special abilities. | Its focus is supernatural action and hordes, not a private-investigator story in a noir city. | Players who prioritize illustrated style and retro-FPS intensity over detective fiction. |
These are not interchangeable substitutes. Fallen Aces is the stronger thematic match, while Forgive Me Father 2 is the stronger combat-and-art-direction match. If your favorite part of MOUSE is the complete blend, you may want to treat them as two different answers to two different questions.
Fallen Aces: The A.C.E.S. is the closest noir-detective match
Why it belongs at the top of the list
The official MOUSE community page describes Fallen Aces as a crime-noir FPS starring Michael “Mike” Thane, a former heavyweight boxer and private investigator. It is presented in a comic-book style across three episodes. That gives it the clearest overlap with MOUSE’s narrative premise: a hard-boiled investigator moving through a dangerous world while solving problems with a gun in hand.
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Where the comparison stops
Fallen Aces should not be advertised as a mechanical clone. Its documented identity is comic-book crime noir, while MOUSE is specifically built around hand-drawn black-and-white rubber-hose animation inspired by 1930s cartoons. The available descriptions do not establish that Fallen Aces has MOUSE’s wall-running, grapple hook, double-jump, clue board, hub conversations or baseball-card activity, so those features should not be assumed.
Rank #2
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The same caution applies to tone. “Noir” describes the crime-fiction atmosphere, not an identical visual palette or level structure. MOUSE’s cartoon violence and elastic animation create a very particular contrast with its murders and corruption plot. Fallen Aces offers a different interpretation of noir through comic-book presentation and its own protagonist.
Choose Fallen Aces if…
- You want a private investigator at the center of an FPS rather than a conventional military or fantasy hero.
- The corruption-and-crime side of MOUSE interests you more than its cartoon technology.
- You prefer a comic-book presentation and episodic structure.
- You are comfortable with a recommendation based on thematic overlap, not identical movement abilities.
Forgive Me Father 2 is the best combat-and-art alternative
Why retro-FPS fans should consider it
The official MOUSE community page describes Forgive Me Father 2 as a hand-drawn, comic-like old-school FPS featuring hordes of enemies, an arsenal of weapons and supernatural abilities. Those details line up with the parts of MOUSE that appeal to players who want speed, pressure and expressive illustrated violence rather than a conventional realistic shooter.
Its strongest connection to MOUSE is the combination of stylized 2D-inspired artwork and classic FPS fundamentals. If your priority is entering a room, choosing a weapon, exploiting an ability and surviving a dense attack, Forgive Me Father 2 is a more relevant lead than a slower detective game would be.
Why it is not a detective substitute
Forgive Me Father 2’s documented premise centers on supernatural abilities and enemy hordes. Nothing in the supplied description establishes a private-investigator protagonist, a noir city, clue-board investigation or hub-based detective downtime. You should therefore choose it for the combat loop and illustrated atmosphere, not because you expect Jack Pepper’s investigative structure in another setting.
This distinction is useful when setting expectations. MOUSE alternates firefights with conversations and detective activity, and its bosses interrupt the regular combat rhythm. Forgive Me Father 2 is presented primarily as an old-school FPS driven by enemies, weapons and abilities. If you want fewer narrative pauses and a stronger emphasis on action, that difference may be an advantage.
Rank #3
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- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Choose Forgive Me Father 2 if…
- Hand-drawn or comic-like visuals matter more to you than a crime story.
- You want hordes, a broad weapon arsenal and supernatural abilities.
- You are looking for the old-school FPS feel without requiring a detective protagonist.
- You prefer to keep the action moving rather than spending as much time in investigative downtime.
How MOUSE compares with its alternatives
Use the following dimensions to decide which game matches your taste. They separate the features that are often collapsed into the vague label “boomer shooter.”
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minute| Dimension | MOUSE: P.I. For Hire | Fallen Aces: The A.C.E.S. | Forgive Me Father 2 |
|---|---|---|---|
| Movement and combat | Fast first-person shooting with wall-running, a grapple hook, double-jumping, alt-fire options and environmental attacks. | Documented as a crime-noir FPS; the supplied description does not establish MOUSE’s traversal abilities or combat options. | Old-school FPS combat with hordes, weapons and supernatural abilities. |
| Exploration | Earlier areas can be revisited after new traversal abilities, creating a metroidvania-like return loop. | Not stated in the supplied material. | Not stated in the supplied material. |
| Visual identity | Hand-drawn black-and-white rubber-hose animation inspired by 1930s cartoons. | Comic-book style. | Hand-drawn, comic-like style. |
| Noir or detective emphasis | Jack Pepper investigates corruption, kidnapping and murder in Mouseburg. | Crime noir; Michael “Mike” Thane is a private investigator and former heavyweight boxer. | Not established as a detective or noir game; the documented emphasis is supernatural action. |
| Story between fights | Hub conversations, clue-board work and a baseball-card side activity. | Three-episode structure is documented; other downtime systems are not stated. | Not stated in the supplied material. |
| Boss encounters | Boss battles break up the regular combat rhythm. | Not stated in the supplied material. | Not stated in the supplied material. |
What MOUSE’s combat feels like, and what to look for elsewhere
Constant movement is part of the offense
MOUSE is designed around mobility rather than stationary cover. Wall-running, grappling and double-jumping give you routes through an arena, while the boomer-shooter pacing rewards moving around threats instead of waiting for every enemy to expose itself. PC Gamer’s description of “dancing” around busy arenas captures the practical implication: movement is both defense and a way to create better attack angles.
When evaluating another game, ask whether movement changes how you fight or merely helps you travel between encounters. Forgive Me Father 2 is documented as an old-school FPS with weapons and supernatural abilities, so it is the better match for players who want a combat-heavy alternative. The supplied information does not confirm equivalent traversal systems, so do not buy it expecting a grapple-and-wall-run toolkit.
Weapon choice is more than a damage calculation
MOUSE includes weapon upgrades, alt-fire options and environmental attacks. Those systems encourage you to adapt your approach to the arena instead of using one weapon for every target. A recommendation is valuable only if it matches this decision-making layer, not just the first-person viewpoint.
Forgive Me Father 2’s documented arsenal and supernatural abilities suggest a similar interest in varied tools, although the abilities are framed through its supernatural setting. Fallen Aces is the more appropriate choice when the weapon is part of a crime story; Forgive Me Father 2 is the more appropriate choice when weapon-and-power variety is the priority.
Rank #4
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Bosses provide pacing changes
MOUSE includes boss battles that break up its regular combat rhythm rather than functioning as constant skill checks. That means the campaign is structured around changes of pace: movement-heavy arenas, exploration, conversations and larger set-piece confrontations. If you prefer a shooter that stays in a single intensity band, MOUSE’s boss-and-downtime structure may feel more varied than expected from a straightforward retro FPS.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.The detective layer: why MOUSE is more than an arena shooter
Jack Pepper’s investigation gives the campaign a reason to connect its combat spaces. The story deals with corruption, kidnapping and murder in Mouseburg, and the hub provides conversations and clue-board work between missions. Those scenes are not merely decorative; they establish the investigative frame that distinguishes MOUSE from a sequence of disconnected action levels.
The baseball-card activity adds another kind of downtime. It is a side pursuit rather than a core combat mechanic, but its presence reinforces the game’s commitment to a lived-in cartoon world. Players who enjoy collecting or examining a setting between firefights may value this more than someone seeking uninterrupted arena action.
Neither recommended alternative is documented as reproducing all of these systems. Fallen Aces is the closer narrative match because its protagonist is also a private investigator in a crime-noir FPS. Forgive Me Father 2 is the closer stylistic-and-combat match because its pitch emphasizes hand-drawn visuals, hordes, weapons and abilities. That is why the two recommendations complement rather than replace each other.
Which game should you play first?
Pick Fallen Aces for noir and investigation
Choose Fallen Aces when your ideal follow-up starts with a case, a private investigator and a criminal underworld. Its former-boxer protagonist and comic-book presentation preserve the detective-and-noir identity that many retro shooters leave out. The three-episode structure also gives it a clearly defined presentation rather than an unqualified promise of an open-ended campaign.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Pick Forgive Me Father 2 for illustrated action
Choose Forgive Me Father 2 when your priority order is hand-drawn style, enemy density, weapon variety and supernatural powers. It addresses the “I want another fast, stylized FPS” request directly, even though its documented subject matter is supernatural rather than investigative.
Stay with MOUSE if you need the complete combination
If no single feature can be sacrificed, MOUSE remains the only game in this comparison documented as combining all of the following: 1930s-inspired rubber-hose animation, a noir detective frame, rapid FPS combat, traversal abilities, revisited areas, hub conversations, clue-board work, bosses and a baseball-card side activity. Alternatives can match parts of that formula, but the combination itself is what makes MOUSE distinctive.
MOUSE: P.I. For Hire release and reception context
Steam lists Fumi Games as the developer, PlaySide as the publisher and April 16, 2026 as the release date. At the time the Steam page was captured in 2026, it displayed 9,338 English reviews with 93% positive ratings. Review totals and percentages change as new players post reviews, so that figure is a time-specific snapshot rather than a permanent score.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsThe game is tagged on Steam as FPS, cartoony, detective, boomer shooter, noir, hand-drawn and old-school. Those tags are unusually useful here because they describe the exact intersection that the alternatives divide between them: “detective” and “noir” point toward Fallen Aces, while “hand-drawn,” “cartoony” and “boomer shooter” point toward Forgive Me Father 2.
A practical decision checklist
- Want the closest story premise? Start with Fallen Aces: The A.C.E.S.
- Want the closest illustrated retro-FPS emphasis? Start with Forgive Me Father 2.
- Need wall-running, grappling and double-jumping? Those are documented for MOUSE; the supplied descriptions do not confirm them for either alternative.
- Want clue boards, hub conversations and detective downtime? Those are documented MOUSE features; do not assume either recommendation includes them.
- Want hordes, weapons and supernatural abilities? Forgive Me Father 2 is the documented match.
- Want a private investigator in a crime-noir FPS? Fallen Aces is the documented match.
- Want all of these traits in one package? Play MOUSE itself rather than expecting one alternative to duplicate it.
Verdict
For most MOUSE fans, the best order is simple: choose Fallen Aces: The A.C.E.S. for the nearest noir-detective premise, then choose Forgive Me Father 2 when you want another hand-drawn, old-school FPS built around weapons, abilities and enemy hordes. MOUSE remains unusual because its movement system, cartoon-noir setting and detective downtime are designed as one experience. The right substitute is therefore the one that preserves your favorite ingredient, not the one that merely shares a first-person view.
Quick Recap
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