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

DotStrike
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
DotStrike is a 3D online shooter in which alien invaders in the form of colored spheres fight each other in a seaport. But the aliens are not fighting alone.
- 2

Erroneous
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
Join the Battle with your Friends in this futuristic First-Person Shooter with Team Deathmatch, Free-for-all, King of the Hill, and more!
- 3

Cerebral Clash
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
Cerebral Clash is a multiplayer arcade shooter where you take control of a tank powered by an enigmatic sentient brain. Play solo in an intriguing campaign or battle online with friends and foes in thrilling warfare matches!
- 4

Tactical Force
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action with Portable Ops.
Tactical Force is a game where you and your friends will explore strange places and face sinister creatures. A co-op for up to 8 players. To have fun with friends
- 5

Eighteen Gold
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
Enlist in law enforcement or misfortune, take the intensity of combat to a new level and control of the situation in your hands, with the magnificent shooting simulator with 85% realism, Eighteen Gold... (Now with Eighteen Gold SE + Eighteen Gold 2)
- 6

Battleground
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Simulation with Portable Ops.
Battleground - A game in the genre of last man standing or royal battle. Fly to the island, find the weapon, get ahead of the enemies and win the round!
- 7

Scourge Of War - Remastered
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
Welcome to Scourge of War, a real-time 3D computer game/simulation developed by NorbSoftDev, the company headed by renowned game designer Norb Timpko, designer of Mad Minute Games' acclaimed Take Command series. Scourge of War is the epitome of historical command simulations.
- 8

RUNNING WITH RIFLES
Single-player alternative to Portable Ops — playable solo, no multiplayer required. Shares Action and Indie with Portable Ops.
RUNNING WITH RIFLES is a top-down tactical shooter with open world RPG elements. In RWR, you join the ranks of an army as a common soldier, just like the thousands around you.