Free Mechs Games on Steam
Steam currently has 771 Mechs 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 Mechs game rankings were last updated on 1/14/2025.
Looking for more? Explore other lists such as:
- Best mechs games on Steam
- Best mechs Steam Deck games
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- Best mechs Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Phantasy Star Online 2 New Genesis
Phantasy Star Online 2 New Genesis is a free-to-play action MMO. Join players around the world to explore the planet Halpha and fight in epic battles as ARKS Defenders! Unleash your imagination with our ultimate character creation experience and creative spaces to create your own phantasy.
Phantasy Star Online 2 New Genesis holds the #1 spot for "best free Mechs game on Steam" with a Player Score of 69. Its score was calculated by analyzing a total of 23,704 reviews on Steam. This breaks down to a total of 16,655 positive reviews and 7,049 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Phantasy Star Online 2 New Genesis on the Steam Deck.
2. Aeons Echo
Aeons Echo offers a captivating role-playing adventure where sexy goddesses meet lewd mythology in a cyber-futuristic world. On your mission to save Zeus, you'll encounter kinky girls, steamy scenes, dating sim elements, interactive features, and diverse gameplay modes.
Aeons Echo has achieved a Player Score of 74, placing it in the #2 spot for the best free Mechs games. Its score was calculated by analyzing a total of 2,107 reviews on Steam. This breaks down to a total of 1,611 positive reviews and 496 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 | 8/22/2024 |
| Developer | Aeons Studio |
| Publisher | Nutaku Publishing |
| Steam App Id | 2832330 |
3. 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 has achieved a Player Score of 60, placing it in the #3 spot for the best free Mechs games. Its score was calculated by analyzing a total of 24,859 reviews on Steam. This breaks down to a total of 15,067 positive reviews and 9,792 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 |
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| Publishers | |
| Steam App Id | 767560 |
4. MOBILE SUIT GUNDAM BATTLE OPERATION 2
This is a free-to-play team battle action game based on the "Mobile Suit Gundam" series of the Universal Century. Whether by land or by space, lay waste to your foes using either your favorite Mobile Suit or roam the battlefield as infantry and capture important objectives.
MOBILE SUIT GUNDAM BATTLE OPERATION 2 has achieved a Player Score of 23, placing it in the #4 spot for the best free Mechs games. Its score was calculated by analyzing a total of 19,581 reviews on Steam. This breaks down to a total of 4,145 positive reviews and 15,436 negative reviews — making it "Mostly Negative" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run MOBILE SUIT GUNDAM BATTLE OPERATION 2 on the Steam Deck.
| Release Date | 5/30/2023 |
| Franchise | Bandai Namco Entertainment |
| Developers | |
| Publisher | Bandai Namco Entertainment Inc. |
| Steam App Id | 1367080 |
5. MechWarrior Online™ Legends
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
MechWarrior Online™ Legends has achieved a Player Score of 78, placing it in the #5 spot for the best free Mechs games. Its score was calculated by analyzing a total of 11,931 reviews on Steam. This breaks down to a total of 9,579 positive reviews and 2,352 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 MechWarrior Online™ Legends on the Steam Deck (though some functionality may be limited).
| Release Date | 12/10/2015 |
| Developer | Piranha Games Inc. |
| Publisher | Piranha Games Inc. |
| Steam App Id | 342200 |
6. Metal Slug: Awakening
Metal Slug: Awakening continues the classic gameplay loved by fans, with exciting new features like World Adventure, 3-player Team-up, and Roguelike challenges. Join forces with your friends online to take on powerful bosses anytime, anywhere!
Metal Slug: Awakening has achieved a Player Score of 67, placing it in the #6 spot for the best free Mechs games. Its score was calculated by analyzing a total of 2,904 reviews on Steam. This breaks down to a total of 1,979 positive reviews and 925 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 Metal Slug: Awakening on the Steam Deck.
| Release Date | 7/19/2024 |
| Developer | Tencent |
| Publisher | HaoPlay Limited |
| Steam App Id | 2963870 |
7. Honkai Impact 3rd
Honkai Impact 3rd - Ultimate anime action made real! HD cel-shading, infinite combos, explosive feedback... Experience next-gen real-time action! An original tale told across media, immersive stage events, star-studded voice cast... Become part of the legend!
Honkai Impact 3rd has achieved a Player Score of 71, placing it in the #7 spot for the best free Mechs games. Its score was calculated by analyzing a total of 9,583 reviews on Steam. This breaks down to a total of 6,982 positive reviews and 2,601 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Honkai Impact 3rd on the Steam Deck.
| Release Date | 10/21/2021 |
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| Steam App Id | 1671200 |
8. Merge Nymphs
Help heal a world drowning in pollution and date a wide variety of gorgeous Nymphs in the dangerously addictive world of Merge Nymphs! Combining puzzle game mechanics with a naughty dating sim system, this game is sure to make you fall in love with its array of colorful characters!
Merge Nymphs has achieved a Player Score of 62, placing it in the #8 spot for the best free Mechs games. Its score was calculated by analyzing a total of 400 reviews on Steam. This breaks down to a total of 259 positive reviews and 141 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Merge Nymphs on the Steam Deck (though some functionality may be limited).
| Release Date | 2/11/2021 |
| Developer | Fadorable Games LTD |
| Publisher | Nutaku Publishing |
| Steam App Id | 1460200 |
9. Stormgate
Stormgate is a free-to-play RTS in active development. Featuring competitive 1v1, 3P co-op missions, and an evolving campaign, Frost Giant aims to build the next great RTS, guided by player feedback. A 3v3 mode is also on the way, so join our development journey today!
Stormgate has achieved a Player Score of 49, placing it in the #9 spot for the best free Mechs games. Its score was calculated by analyzing a total of 6,814 reviews on Steam. This breaks down to a total of 3,315 positive reviews and 3,499 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 | 7/30/2024 |
| Developer | Frost Giant Studios |
| Publisher | Frost Giant Studios |
| Steam App Id | 2012510 |
10. 3 Days War
3 Days War is a unique multiplayer strategy war game. Integrating the mechanics of RTS+4X, it allows dozens of players to engage in a three-day real-time strategy competitionon. Commanders, use your skills, strategies, games and even deception to become the ultimate winner!
3 Days War has achieved a Player Score of 81, placing it in the #10 spot for the best free Mechs games. Its score was calculated by analyzing a total of 601 reviews on Steam. This breaks down to a total of 520 positive reviews and 81 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.
More Free Mechs Games
Explore even more rankings for the 77 best free Mechs games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,245 | 8/5/2020 | 69 | Free | Steam Charts | |
| 1,215 | 8/22/2024 | 74 | Free | Steam Charts | |
| 1,070 | 4/4/2018 | 60 | Free | Steam Charts | |
| 661 | 5/30/2023 | 23 | Free | Steam Charts | |
| 259 | 12/10/2015 | 78 | Free | Steam Charts | |
| 210 | 7/19/2024 | 67 | Free | Steam Charts | |
| 106 | 10/21/2021 | 71 | Free | Steam Charts | |
| 46 | 2/11/2021 | 62 | Free | Steam Charts | |
| 38 | 7/30/2024 | 49 | Free | Steam Charts | |
| 36 | 4/17/2023 | 81 | Free | Steam Charts | |
 | 30 | 4/7/2021 | 55 | Free | Steam Charts | |
 | 23 | 10/28/2021 | 61 | Free | Steam Charts | |
 | 17 | 12/26/2024 | 65 | Free | Steam Charts | |
 | 16 | 3/30/2018 | 82 | Free | Steam Charts | |
 | 6 | 10/17/2014 | 69 | Free | Steam Charts | |
 | 5 | 3/11/2022 | 58 | Free | Steam Charts | |
 | 5 | 3/11/2021 | 49 | Free | Steam Charts | |
 | 3 | 3/25/2016 | 74 | Free | Steam Charts | |
 | 3 | 6/13/2023 | 66 | Free | Steam Charts | |
 | 2 | 7/18/2024 | 72 | 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, January 14). Steam Store. Steam Store.
- Valve Corporation. (2025, January 14). Phantasy Star Online 2 New Genesis on Steam. Steam Store.
- Valve Corporation. (2025, January 14). Aeons Echo on Steam. Steam Store.
- Valve Corporation. (2025, January 15). War Robots on Steam. Steam Store.
- Valve Corporation. (2025, January 15). MOBILE SUIT GUNDAM BATTLE OPERATION 2 on Steam. Steam Store.
- Valve Corporation. (2025, January 8). MechWarrior Online™ Legends on Steam. Steam Store.
- Valve Corporation. (2025, January 13). Metal Slug: Awakening on Steam. Steam Store.
- Valve Corporation. (2025, January 9). Honkai Impact 3rd on Steam. Steam Store.
- Valve Corporation. (2025, January 13). Merge Nymphs on Steam. Steam Store.
- Valve Corporation. (2025, January 14). Stormgate on Steam. Steam Store.
- Valve Corporation. (2025, January 13). 3 Days War on Steam. Steam Store.