Single-player games like Nano.wars
Below are 9 single-player Steam games similar to Nano.wars, 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 Nano.wars page.
Ranked picks
- 1

NEON SPACE WAR
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Casual with Nano.wars.
In NEON SPACE WAR you take control of a ship and defend yourself more and more enemies. Survive as long as you can. Collect points and unlock new upgrades. Control via mouse and keyboard.
- 2

Flyland Wars: 1 Mountain Climb
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
A sci-fi flying person vs. robot battle game. A robotic enemy seems to vastly outmatch your necessarily hand-thrown weapons. But as dangerous to you as it is, it can hardly compare to the indigenous robot (a "nuisance") which roams the flyland. Use EXTREME caution-- and patience!
- 3

Shoot & Neon
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
Survive, level up, and dominate the arena in Shoot & Neon, a fast-paced multiplayer FPS bursting with neon lights, endless waves, and powerful upgrades. Gear up for chaotic action!
- 4

Project RAZE: Fall of Terra
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
Step into a fast-paced sci-fi FPS where time replaces health. Fight through the campaign or dominate global leaderboards as RZ-01, humanity’s greatest weapon, RAZE.
- 5

Kill To Live
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
Your health decreases with every second and extermination of enemies is the most effective way to restore it. Don't sit still if you want to stay alive.
- 6

Gemini: Binary Conflict
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
‘Gemini: Binary Conflict’ is a multiplayer, class based, first person shooter set in the midst of an interplanetary war. The game features a colourful visual style, unconventional weaponry, equipment, armour, class roles and modes, to provide a subtle mix of familiar and unusual game mechanics.
- 7

Deltascention
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
Deltascention is a fast-paced action roguelike with a ton of upgrades and a whole collection of editable arena's, and not to mention the weapons! Fight your way through all 50 waves to take out the final boss and save the world outside!
- 8

World Legends
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
A first-person shooting game, different types of weapons and equipment that make you not leave the game. The game is a tournament between dimensions and time.
- 9

Mircron Wars XR
Single-player alternative to Nano.wars — playable solo, no multiplayer required. Shares Action and Indie with Nano.wars.
Is an easy to play arcade space shooter, with an endless area to play in and countless Enemies to destroy. There are 18 ships to unlock and play as. Many different enemies to blast away at. Boss ships. HD graphics. Awesome Music. Lots of Weapons to blast away at the enemy ships with.