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

Light City District
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Indie with Codename Nemesis.
A Game And Watch-like game with a cinema noire story, set in an openworld game in real time.
- 2

DeRailed
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Indie with Codename Nemesis.
When a domestic terrorist resurfaces it falls on an overburdened police department to discover his plot and put an end to it, and as a washed up detective leading the renewed investigation things begin to not appear as they seem.
- 3

Gorgon Shield
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Strategy and RPG with Codename Nemesis.
Gather your party of expendable heroes. Climb a vast tower atop a shiny shield. Who will fight? Who will heal? Who will laze around and take all the treasure? The choices will be yours alone, but only those who work together will be powerful enough to face Medusa at the top of the GORGON SHIELD.
- 4

Street Cleaner 3
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Indie with Codename Nemesis.
The Street Cleaner is back, and hot on the trail of his most mythical foe yet; but this time he's not alone! Return to the mean streets. Bash, kick, and whip your way to mete out retro action vigilante justice, and maybe save the world.
- 5

Cyber Ops
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Strategy with Codename Nemesis.
Become a military hacker and help your black ops team reach their goal in this noir cyberpunk tactical game. Scan, hack, overtake, control and manage high tech devices, vehicles and even enemy cyborgs with cutting-edge implants.
- 6

Ruined Kingdom
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Strategy with Codename Nemesis.
Ruined Kingdom is a real-time strategy, Puzzle, RPG and reverse tower defense game. Defeat the insolent humans, control the battlefield, Defeat rival tribes! Take control of an army of Orcs fighting to conquer! Win and gain experience to unlock new upgrades and unique abilities.
- 7

Master Spy
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Indie with Codename Nemesis.
Throw on your invisibility cloak and put your reflexes to the test in this brutal precision platformer brimming with espionage, intrigue, and betrayal! Featuring an Original Soundtrack by Grammy Award Winner RAC.
- 8

Fallen Aces
Single-player alternative to Codename Nemesis — playable solo, no multiplayer required. Shares Action and Indie with Codename Nemesis.
The A.C.E.S. Once the watchful guardians of Switchblade City - are being taken down, one by one. Now it's up to one man, with two fists, to get to the bottom of it all. Fallen Aces is a crime noir FPS that plays right out of the '90s and looks like it's right outta the comics.