Single-player games like R-Type Dimensions III
Below are 11 single-player Steam games similar to R-Type Dimensions III, 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 R-Type Dimensions III page.
Ranked picks
- 1
Contra: Operation Galuga
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!
- 2
Lovers in a Dangerous Spacetime
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Explore a neon galaxy in your very own battleship in this 1- to 4-player couch co-op adventure.
- 3
Rogue Stormers
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
An action packed platform shooter mashed-up with roguelike and RPG elements, crazy 3D graphics and co-op multiplayer for one to 4 players.
- 4
Astebreed: Definitive Edition
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.
- 5
Half-Life
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 6
Earthion
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Earthion is a side-scrolling space shooter developed natively for 16-bit systems. Guide space fighter pilot Azusa Takanashi in her fight to repel the alien invaders and save planet Earth.
- 7
G-Darius HD
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
You will see the creation of new lives... Capture enemies and fire them back at their allies as enormous beams of energy in this horizontally scrolling shooting game, featuring 5 versions of G-Darius with new features, enhancements, and Steam exclusive extras!
- 8
Dead Space
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 9
Railroad Pioneer
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required.
Be a pioneer and build the most famous transcontinental railroad tracks in the United States of America throughout the 19th century.
- 10
Rainbow Cotton
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Cotton, the legendary witch is back, and this time in 3D! Get ready for this formerly Japanese exclusive cute ‘em up gem to be “reconjured”. ININ and Success have teamed up once again to bring you a massively improved - and for the first time worldwide - re-release of Rainbow Cotton.
- 11
X-Out: Resurfaced
Single-player alternative to R-Type Dimensions III — playable solo, no multiplayer required. Shares Action with R-Type Dimensions III.
Build your fleet and face the alien terror from the deep! Now it’s up to you alone to stop an alien invasion from the depths of the ocean in this legendary, home computer era shoot ‘em up dredged up and faithfully rebuilt for modern platforms – X-Out: Resurfaced!