

One
Sci-Fi
Sci-Fi
A relentless, visceral shooter, One forced players to master its acrobatic combat. The core mechanic, a gravity-defying, mid-air melee attack, was the key to chaining together brutal combos against hordes of grotesque enemies. Its memorable levels and relentless pace, fueled by a heavy metal soundtrack, kept players locked into the experience, eager to test their skills against ever-increasing challenges.
Top 3 Alternatives to One
Helldivers 2
2024 · Shooter
Helldivers 2
2024 · Shooter · Tactical
Trade the lone wolf for squad-based sci-fi action — the same focus on responsive gunplay and overwhelming odds, but now with the chaos of friendly fire and hordes of alien bugs.
Why recommended
- Fast-paced third-person shooting against relentless alien swarms, mirroring the core combat focus of the source game
- Criteria — Multiplayer co-op for up to four players, demanding coordination and tactical thinking to overcome overwhelming odds
- The constant threat of orbital strikes, environmental hazards, and friendly fire creates a punishing difficulty curve that rewards skillful play and teamwork
Earth Defense Force: Iron Rain
Shooter
Earth Defense Force: Iron Rain
Shooter · Science fiction
Embrace the same over-the-top, B-movie sci-fi thrills — a third-person shooter where you're humanity's last stand against colossal alien invaders, armed with absurd weaponry.
Why recommended
- Relentless waves of insectoid aliens and giant robots offer a similar sense of overwhelming odds and chaotic action
- Criteria — Action-focused gameplay with a variety of weapons and abilities to master, emphasizing reflexes and tactical positioning
- The game's arcade-like structure and difficulty modes provide a challenging experience that rewards skillful play
Immortal: Unchained
Shooter
Immortal: Unchained
Shooter · Role-playing (RPG) · Adventure
If you crave a challenging third-person shooter with RPG elements, this is a great fit. It's a sci-fi Souls-like where you must master timing and resource management.
Why recommended
- Demanding combat that emphasizes precise aiming, dodging, and resource management, reminiscent of the source's focus on skillful gunplay
- Criteria — Challenging Difficulty is a core design philosophy, with punishing enemies and a high skill ceiling
- RPG Elements include character progression, weapon customization, and build variety, adding depth to the combat loop
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