Single-player games like The Armament Project
Below are 8 single-player Steam games similar to The Armament Project, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The Armament Project page.
Ranked picks
- 1

Space Wackos
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action with The Armament Project.
Space Wackos is an online and local party shooter for 1-8 players. Featuring 2 game modes, over 10 maps and and over 12 game types, players have the freedom fight against each other in free-for-all or as a team in Coop and PVP games.
- 2

Inferno Arena
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
Every kill becomes part of your build in this 4-player co-op dungeon crawler! Squad up with friends, delve into dungeons, dodge complex attacks, and bolt the wreckage of your foes onto your frame. No two machines come out the same — but one bad run can cost you everything.
- 3

SUMBR
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
Build the ultimate space warrior, a Bellator, and equip powerful bionic weapon/armor augments to fight in a 300 year planetary war against the 7 factions of humanity. Reclaim the solar system to reunite The First Kingdom as a Bellator of The King's Guard in the sci-fi Co-op, PvP, PvE world of SUMBR
- 4

Sand Eaters
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action with The Armament Project.
Sand Eaters is a sci-fi co-op shooter. Define your playstyle through deep customization—from lightweight speed demons to heavy armored gunners. Deploy lethal units called "Instruments" to battle evolving threats across hostile regions.
- 5

BATTLEDRIFT
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
A PvP 2D top-down shooter where your gun recoil is also your ship's propulsion! Master control of your ship better than your opponents and be the last one standing with up to 4 players.
- 6

Virtual Ricochet
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
“Death-defying tennis with robots and laser guns!” Virtual Ricochet is built from the ground up as a fusion of the best of VR shooters and tennis-style mechanics in a retro-futuristic synthwave arena - IN SPACE!
- 7

CarveOut 2160
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
Carveout 2160 is a snowboarding game centered around the most dangerous competition in the universe! Because this tournament is not on Earth! Land risky stunts to earn boost, use it to burst into shortcuts or wipeout the competition and rocket yourself around the planets and onto the podium!
- 8

SPRAWL
Single-player alternative to The Armament Project — playable solo, no multiplayer required. Shares Action and Indie with The Armament Project.
SPRAWL is a hardcore retro FPS set in an endless cyberpunk megalopolis. Escape the walled city and take on the militarized government of the sprawl. Fueled by the blood of your enemies and a mysterious voice in your head, make your way towards the spire to topple whatever lays within.