Free Assassin Games on Steam
Steam currently has 543 Assassin games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Assassin game rankings were last updated on 12/8/2025.
Looking for more? Explore other lists such as:
- Best assassin games on Steam
- Best assassin Steam Deck games
- Best assassin Steam games for Mac OS
- Best assassin Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. War Robots
War Robots is an online third-person 6v6 PvP shooter—we’re talking dozens of combat robots, hundreds of weapons combinations, and heated clan battles.
War Robots holds the #1 spot for "best free Assassin game on Steam" with a Player Score of 59. Its score was calculated by analyzing a total of 28,315 reviews on Steam. This breaks down to a total of 16,949 positive reviews and 11,366 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 4/4/2018 |
| Franchise | MY.GAMES |
| Developers | |
| Publishers | |
| Steam App Id | 767560 |
2. Atlantica Europe
Atlantica Europe is a free-to-play (F2P) massive multiplayer online role-playing game (MMORPG), with a tactical combat system. Venture out in to the world of Atlantis where you'll find otherworldly monsters, amazing gear, and even more battle-hardened adventurers like yourself.
Atlantica Europe has achieved a Player Score of 62, placing it in the #2 spot for the best free Assassin games. Its score was calculated by analyzing a total of 217 reviews on Steam. This breaks down to a total of 142 positive reviews and 75 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Atlantica Europe on the Steam Deck.
| Release Date | 5/20/2021 |
| Franchise | VALOFE / VFUN |
| Developers | |
| Publisher | VALOFE |
| Steam App Id | 1563940 |
3. Crystal Maidens: Unleashed
A twisted wizard has corrupted the Maidens and their land. It’s up to you to summon your own harem of stunning waifus, fight back against the dark forces, and liberate them in this lewd RPG adventure. Let your desires get unleashed!
Crystal Maidens: Unleashed has achieved a Player Score of 63, placing it in the #3 spot for the best free Assassin games. Its score was calculated by analyzing a total of 77 reviews on Steam. This breaks down to a total of 52 positive reviews and 25 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Crystal Maidens: Unleashed on the Steam Deck.
| Release Date | 9/11/2025 |
| Developer | Athelan Games |
| Publisher | Nutaku Publishing |
| Steam App Id | 2223850 |
4. Midas Gold Plus - Idle Clicker
Discover Midas Gold Plus, an engaging idle clicker set in a mythical world! Harness King Midas' golden touch, build a legendary city, and unlock powerful champions. Master unique gameplay styles, explore pet battles, and conquer rival cities. Delve into this ancient tycoon adventure today!
Midas Gold Plus - Idle Clicker has achieved a Player Score of 82, placing it in the #4 spot for the best free Assassin games. Its score was calculated by analyzing a total of 1,760 reviews on Steam. This breaks down to a total of 1,507 positive reviews and 253 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Midas Gold Plus - Idle Clicker on the Steam Deck (though some functionality may be limited).
| Release Date | 2/1/2017 |
| Developer | Holyday Studios |
| Publisher | Holyday Studios |
| Steam App Id | 557400 |
5. The Happyhills Homicide
Welcome to Happyhills, the town where you can indulge your deepest desires, make your wildest dreams come true, and slaughter anyone in your path. In this case, all three of these are the same. Welcome the citizens of Happyhills in your way!
The Happyhills Homicide has achieved a Player Score of 91, placing it in the #5 spot for the best free Assassin games. Its score was calculated by analyzing a total of 1,610 reviews on Steam. This breaks down to a total of 1,537 positive reviews and 73 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play The Happyhills Homicide on the Steam Deck (though some functionality may be limited).
| Release Date | 11/5/2024 |
| Developer | Copperbolt |
| Publisher | Copperbolt |
| Steam App Id | 3278760 |
6. Twilight Wars
A team based top-down shooter game. Pick up weapons and fight enemies with allies. Mission-based storyline leads you into this fantasy world.
Twilight Wars has achieved a Player Score of 77, placing it in the #6 spot for the best free Assassin games. Its score was calculated by analyzing a total of 139 reviews on Steam. This breaks down to a total of 118 positive reviews and 21 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
7. Tales Beyond The Tomb - Pineville Night Stalker
After her mother's unexpected death, Megan receives a call about a mysterious inheritance awaiting her in the town of Pineville. With her work friend, Lenny, she embarks on a journey that should be simple, but quickly turns into a web of danger and deception.
Tales Beyond The Tomb - Pineville Night Stalker has achieved a Player Score of 77, placing it in the #7 spot for the best free Assassin games. Its score was calculated by analyzing a total of 514 reviews on Steam. This breaks down to a total of 423 positive reviews and 91 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Tales Beyond The Tomb - Pineville Night Stalker on the Steam Deck (though some functionality may be limited).
8. Hunt: The Unknown Quarry
Hunt: The Unknown Quarry is a deductive combat game for 3 to 6 players. One is secretly the monster and is trying to cripple the other players in order to escape the mansion. Shared Play: One purchase allows a whole group to play together. Based on the original board game from Victory Point Games.
Hunt: The Unknown Quarry has achieved a Player Score of 63, placing it in the #8 spot for the best free Assassin games. Its score was calculated by analyzing a total of 55 reviews on Steam. This breaks down to a total of 38 positive reviews and 17 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 1/30/2017 |
| Developer | Quicksilver Software, Inc. |
| Publisher | Quicksilver Software, Inc. |
| Steam App Id | 528450 |
9. NIGHT SHIFT NIGHTMARE
First-person horror game where you work the night shift at a Mexican convenience store, handling daily tasks while facing eerie and unexpected events.
NIGHT SHIFT NIGHTMARE has achieved a Player Score of 78, placing it in the #9 spot for the best free Assassin games. Its score was calculated by analyzing a total of 43 reviews on Steam. This breaks down to a total of 39 positive reviews and 4 negative reviews — making it "Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 11/30/2025 |
| Developer | Taco Al Pastor Dev |
| Publisher | Taco Al Pastor Dev |
| Steam App Id | 4150570 |
10. Revenge of the shadow ninja
Platform game with a gloomy artistic style. Challenging levels with many traps and enemies. Use all your skills to avoid dangerous traps. Destroy all opponents on your way to revenge.
Revenge of the shadow ninja has achieved a Player Score of 71, placing it in the #10 spot for the best free Assassin games. Its score was calculated by analyzing a total of 71 reviews on Steam. This breaks down to a total of 56 positive reviews and 15 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Revenge of the shadow ninja on the Steam Deck (though some functionality may be limited).
More Free Assassin Games
Explore even more rankings for the 60 best free Assassin games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 934 | 4/4/2018 | 59 | Free | Steam Charts | |
| 76 | 5/20/2021 | 62 | Free | Steam Charts | |
| 25 | 9/11/2025 | 63 | Free | Steam Charts | |
| 20 | 2/1/2017 | 82 | Free | Steam Charts | |
| 13 | 11/5/2024 | 91 | Free | Steam Charts | |
| 4 | 10/29/2024 | 77 | Free | Steam Charts | |
| 2 | 11/20/2024 | 77 | Free | Steam Charts | |
| 2 | 1/30/2017 | 63 | Free | Steam Charts | |
| 2 | 11/30/2025 | 78 | Free | Steam Charts | |
| 1 | 7/27/2023 | 71 | Free | Steam Charts | |
 | 1 | 11/8/2024 | 68 | Free | Steam Charts | |
 | 1 | 6/20/2024 | 75 | Free | Steam Charts | |
 | 1 | 5/13/2024 | 66 | Free | Steam Charts | |
 | 1 | 3/27/2021 | 70 | Free | Steam Charts | |
 | 1 | 12/25/2020 | 65 | Free | Steam Charts | |
![The House [zebaxx] steam charts](https://cdn.akamai.steamstatic.com/steam/apps/2525270/header.jpg) | 1 | 8/5/2023 | 60 | Free | Steam Charts | |
 | 1 | 4/6/2022 | 57 | Free | Steam Charts | |
 | 1 | 9/15/2021 | 70 | Free | Steam Charts | |
 | 1 | 2/17/2025 | 52 | Free | Steam Charts | |
 | 1 | 11/18/2021 | 77 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2025, December 8). Steam Store. Steam Store.
- Valve Corporation. (2025, December 8). War Robots on Steam. Steam Store.
- Valve Corporation. (2025, December 6). Atlantica Europe on Steam. Steam Store.
- Valve Corporation. (2025, December 1). Crystal Maidens: Unleashed on Steam. Steam Store.
- Valve Corporation. (2025, December 3). Midas Gold Plus - Idle Clicker on Steam. Steam Store.
- Valve Corporation. (2025, December 6). The Happyhills Homicide on Steam. Steam Store.
- Valve Corporation. (2025, November 30). Twilight Wars on Steam. Steam Store.
- Valve Corporation. (2025, December 9). Tales Beyond The Tomb - Pineville Night Stalker on Steam. Steam Store.
- Valve Corporation. (2025, October 26). Hunt: The Unknown Quarry on Steam. Steam Store.
- Valve Corporation. (2025, December 8). NIGHT SHIFT NIGHTMARE on Steam. Steam Store.
- Valve Corporation. (2025, November 9). Revenge of the shadow ninja on Steam. Steam Store.