Single-player games like Agon Protocol
Below are 8 single-player Steam games similar to Agon Protocol, 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 Agon Protocol page.
Ranked picks
- 1

Rank: Warmaster
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Action and Strategy with Agon Protocol.
Stranded on Mars with next to nothing, build a city, assemble a fleet, and expand your empire to survive a hostile solar system in this new take that combines elements of space combat and RTS inspired by the classics.
- 2

Masada
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Strategy and Indie with Agon Protocol.
Masada is a open world RTS / RPG set in an isolated and exotic nebula.
- 3

9-Bit Armies: A Bit Too Far
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Action and Strategy with Agon Protocol.
Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.
- 4

Battlefleet Gothic: Armada (Classic)
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Strategy with Agon Protocol.
Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.
- 5

Broken Arrow
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Strategy with Agon Protocol.
Broken Arrow is a large-scale real-time modern warfare tactics game that combines the complexity of joint-forces wargaming with action-packed real-time tactics gameplay.
- 6

Worbital
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Action and Strategy with Agon Protocol.
With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!
- 7

Company of Heroes 3
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Action and Strategy with Agon Protocol.
Company of Heroes 3 combines heart-pounding combat with deeper strategic choices in a stunning Mediterranean theatre of war. In Company of Heroes 3, every battle tells a story...what's yours?
- 8

Door Kickers 2: Task Force North
Single-player alternative to Agon Protocol — playable solo, no multiplayer required. Shares Action and Strategy with Agon Protocol.
Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".