Free Assassin Games on Steam
Steam currently has 514 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 9/16/2025.
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 27,498 reviews on Steam. This breaks down to a total of 16,453 positive reviews and 11,045 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. 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 #2 spot for the best free Assassin games. Its score was calculated by analyzing a total of 21 reviews on Steam. This breaks down to a total of 15 positive reviews and 6 negative reviews — making it "Mostly 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 | 9/11/2025 |
| Developer | Athelan Games |
| Publisher | Nutaku Publishing |
| Steam App Id | 2223850 |
3. 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 #3 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 |
4. 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 #4 spot for the best free Assassin games. Its score was calculated by analyzing a total of 1,275 reviews on Steam. This breaks down to a total of 1,225 positive reviews and 50 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 |
5. Evil Mansion
Evil Mansion is a first-person 3D Werewolf game with real-time voice chat. The game has a variety of occupations (such as security, doctors, detectives).and the vote system is not for vote out player, but for mark the position of the player with the most votes.
Evil Mansion has achieved a Player Score of 70, placing it in the #5 spot for the best free Assassin games. Its score was calculated by analyzing a total of 156 reviews on Steam. This breaks down to a total of 118 positive reviews and 38 negative reviews — making it "Mostly 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 | 3/27/2021 |
| Developer | Ceeeb Studio |
| Publisher | Ceeeb Studio |
| Steam App Id | 1518190 |
6. 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 #6 spot for the best free Assassin games. Its score was calculated by analyzing a total of 425 reviews on Steam. This breaks down to a total of 350 positive reviews and 75 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).
7. 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 #7 spot for the best free Assassin games. Its score was calculated by analyzing a total of 136 reviews on Steam. This breaks down to a total of 116 positive reviews and 20 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.
8. Space Hitchhiker Stop
Your store has been kidnapped by the mafia, work for them and upgrade your ship until you're able to hyperjump out of space!
Space Hitchhiker Stop has achieved a Player Score of 65, placing it in the #8 spot for the best free Assassin games. Its score was calculated by analyzing a total of 6 reviews on Steam. This breaks down to a total of 5 positive reviews and 1 negative reviews — making it "6 user reviews" 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 | 7/21/2025 |
| Developer | La Popi <3 |
| Publisher | La Popi <3 |
| Steam App Id | 3804400 |
9. Third Power
Third Power is a unique puzzle adventure where players alternate between forms with distinct abilities in order to progress through a mysterious tomb. Avoid traps, solve puzzles, and uncover the secrets of an enigmatic curse as you advance toward discovering your third—and final—power.
Third Power has achieved a Player Score of 57, placing it in the #9 spot for the best free Assassin games. Its score was calculated by analyzing a total of 31 reviews on Steam. This breaks down to a total of 19 positive reviews and 12 negative reviews — making it "Mixed" 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 | 9/1/2022 |
| Developer | Plot Armor Studios |
| Publisher | Plot Armor Studios |
| Steam App Id | 2077460 |
10. A Night In Berlin
A Night in Berlin is a narrative-driven third-person shooter featuring brutal fast-paced gameplay in a dark and atmospheric world.
A Night In Berlin has achieved a Player Score of 79, placing it in the #10 spot for the best free Assassin games. Its score was calculated by analyzing a total of 492 reviews on Steam. This breaks down to a total of 416 positive reviews and 76 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.
| Release Date | 8/7/2020 |
| Developer | Unlimina Software |
| Publisher | Bad Smile Media |
| Steam App Id | 1338420 |
More Free Assassin Games
Explore even more rankings for the 57 best free Assassin games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,330 | 4/4/2018 | 59 | Free | Steam Charts | |
| 140 | 9/11/2025 | 63 | Free | Steam Charts | |
| 62 | 5/20/2021 | 62 | Free | Steam Charts | |
| 26 | 11/5/2024 | 91 | Free | Steam Charts | |
| 5 | 3/27/2021 | 70 | Free | Steam Charts | |
| 3 | 11/20/2024 | 77 | Free | Steam Charts | |
| 2 | 10/30/2024 | 77 | Free | Steam Charts | |
| 1 | 7/21/2025 | 65 | Free | Steam Charts | |
| 1 | 9/1/2022 | 57 | Free | Steam Charts | |
| 1 | 8/7/2020 | 79 | Free | Steam Charts | |
 | 1 | 12/2/2017 | 56 | Free | Steam Charts | |
 | 1 | 11/8/2024 | 68 | Free | Steam Charts | |
 | 1 | 3/1/2022 | 76 | Free | Steam Charts | |
 | 1 | 7/16/2020 | 86 | Free | Steam Charts | |
 | 1 | 4/18/2024 | 62 | Free | Steam Charts | |
 | 1 | 12/25/2020 | 63 | Free | Steam Charts | |
 | 1 | 4/24/2023 | 68 | Free | Steam Charts | |
 | 1 | 5/13/2024 | 67 | Free | Steam Charts | |
 | 1 | 3/23/2023 | 67 | Free | Steam Charts | |
 | 1 | 6/20/2024 | 74 | 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, September 16). Steam Store. Steam Store.
- Valve Corporation. (2025, September 16). War Robots on Steam. Steam Store.
- Valve Corporation. (2025, September 16). Crystal Maidens: Unleashed on Steam. Steam Store.
- Valve Corporation. (2025, August 14). Atlantica Europe on Steam. Steam Store.
- Valve Corporation. (2025, September 8). The Happyhills Homicide on Steam. Steam Store.
- Valve Corporation. (2025, March 15). Evil Mansion on Steam. Steam Store.
- Valve Corporation. (2025, September 9). Tales Beyond The Tomb - Pineville Night Stalker on Steam. Steam Store.
- Valve Corporation. (2025, August 28). Twilight Wars on Steam. Steam Store.
- Valve Corporation. (2025, August 20). Space Hitchhiker Stop on Steam. Steam Store.
- Valve Corporation. (2025, August 28). Third Power on Steam. Steam Store.
- Valve Corporation. (2025, May 25). A Night In Berlin on Steam. Steam Store.