Single-player games like Ranphon
Below are 16 single-player Steam games similar to Ranphon, 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 Ranphon page.
Ranked picks
- 1

Inertia
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
You're stranded in space in an asteroid field. Use your ship to smash through fuel-rich asteroids for points and fuel, and use any power-ups you find along the way. But remember, an empty fuel tank is just as deadly as an asteroid. The void of space is a tough place to be, but you can't stop now.
- 2

Astro Attack
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
A single-stick arcade shoot 'em up inspired by the golden years of retro gaming. Blast to the synthwave beat to combine powerups and destroy waves of invaders. Complete missions, compete on leaderboards, discover secrets, and unlock over 80 unique ships from every era of gaming.
- 3

Star Aegis
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
A shmup without shooting. Reflect the bullets with one of your two shields. Bite-sized arcade action. Cover humankind's retreat and make it count.
- 4

Dead End City
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
A post-apocalyptic arcade shooter. Collect fuel and dodge enemy fire as you fight back against the evil Scorpio gang. Mixes cars, shmups and themes that would have been right at home in 80's anime and arcades..
- 5

GUN DOG ROCK RAPID
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
Super simple 2D shooter game! Use the two types of shots to push forward.Kick out the swarming zakos and take on the powerful bosses.7 crazy worlds are waiting for your cat!?
- 6

Star Hunter DX
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
Betrayed by her cut-throat crew, Luna Starr - former Space Pirate Captain turned bounty hunter - has a score to settle. As Luna, travel to 5 exotic planets to track down your mutinous mates, and face them in Bullet Hell dogfights to the death!
- 7

Nuclear Assault
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
Nuclear Assault is a Shoot 'em Up with all the essence of Arcades in the 90s! Equip new cannons, collect different Power-Ups, defeat the 4 Robot Kings and earn new scores! But most importantly... Shoot, shoot and don't stop shooting!
- 8

High Speed Cataclysm
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
High Speed Cataclysm is the most advanced and frenetic 2D action shooter where you will have to destroy thousands of enemies in order to save the galaxy.
- 9

Fisherman Classic
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
Welcome to Fishy Archipelago! Go fishing, catalog your most rare fishes and sea creatures, buy and find skins, hats, boats and properties. Build your fishy empire. The retro world is yours!
- 10

Jurassic Fantasy
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Indie with Ranphon.
Follow a young wizard in his path to find the Magical Stones and himself in this Jurassic Fantasy!
- 11

METROPOCRE
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
METROPOCRE! A violent, bloody and animalistic adventure. Follow Felix, a mentally unstable rabbit, in his path to acquire his dreamed pair of wings.
- 12

A Fishy RPG
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Indie with Ranphon.
A Fishy RPG is a retro-style game about surviving, exploring and finding legendary fishes in a strange and procedurally generated universe. Find the truth about fish, the surface fishermen and also Satan in this unique role-playing game.
- 13

Moshcave
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Action and Indie with Ranphon.
Buff Murphy and obliterate hundreds of enemies as you crawl deep into the cave of Dr. Mosh! Moshcave is a retro-style action roguelite game with many different possible builds and strange enemies that gets progressively stronger.
- 14

Chico's Family-Friendly Circus
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Indie with Ranphon.
Welcome to your new job, champ! Take the 2:00-4:00 A.M. shift at Chico's Family-Friendly Circus and hope for the best! A short horror Point & Clicker with multiple endings and dancing clowns.
- 15

SHOVELBOY
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Indie with Ranphon.
SHOVELBOY is a retro-style platformer where you have to collect shovels in 21 increasingly difficult small levels. How fast can you go?
- 16

Skiing Frenzy
Single-player alternative to Ranphon — playable solo, no multiplayer required. Shares Indie with Ranphon.
It's skiing day! Skiing Frenzy is a 2D top-down, retro-style ski game where you can play Slalom and Free Ski modes, each one giving you different challenges and lots of fun.