Single-player games like GRADIUS ORIGINS
Below are 19 single-player Steam games similar to GRADIUS ORIGINS, 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 GRADIUS ORIGINS page.
Ranked picks
- 1

Earthion
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
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.
- 2

GANA FORCE
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Gana Force is a Horizontal shooter where you'll unleash powerful firepower, skillfully dodge bullets, and utilize the terrain to maneuver and defeat enemies. Game environments include alien cell levels, scorching sun, space battleships, and more. Powerful bosses and bullet hell challenges await you!
- 3

Arcade Classics Anniversary Collection
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
8 KONAMI arcade classics of the 80s, from Nemesis to TwinBee. Including bonus eBook packed with new information never before revealed to the public.
- 4

Super Arcade Boy in Defender of Planet Earth
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
A retro-style classic side-scrolling shoot ’em up. Fly Super Arcade Boy through 8 levels, blast enemy waves, grab power-ups, and take down bosses.
- 5

PigShip and the Giant Wolf
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Pig Ship and the Giant Wolf is a classic Shoot'em Up with a 8btis monochrome aesthetic. Cross the 6 worlds full of enemies and defeat the Giant Wolf to save your brothers.
- 6

Chaos Moon : 1CC Edition
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
A classic style SHMUP in the tradition of 80's and 90's vertical scrolling shooters. Maximize your run and get to the top of the High-score Leaderboard. Can you achieve the rank of Fleet Admiral? It's a challenge. Visit our website for a free playable browser demo of the game.
- 7

Viral Reload EX
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Viral Reload EX is a shoot-em-up with a dash mechanic where you shrink down to fight infections at a microscopic scale! Can you defeat the evil Kyle Kaboom before he destroys the moon?
- 8

G WARRIOR
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
G WARRIOR is a retro hardcore action shooting game. Pick up the gun and destroy all robots and aliens. Fight in colorful scenes such as snowy mountains, caves, seas of fire, alien lairs, etc.! !
- 9

Contra Anniversary Collection
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
The Contra Anniversary Collection brings this classic Run and Gun franchise back to modern platforms and a new generation of gamers.
- 10

Salamander County Public Television
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Become a professional thing-doer! Complete wacky assignments for Salamander County's local TV station, and solve the mystery of why nearly everyone in the county suddenly disappeared.
- 11

Castlevania Dominus Collection
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Three incredible action adventure games from the Castlevania series have finally returned, for the first time! But wait, there's more! Haunted Castle Revisited, a redesigned version of the very first Castlevania arcade game, makes its debut!
- 12

Venture
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required.
Two astronauts awaken on an alien planet. With only minutes of oxygen left, they must work together to scale staggering cliffs, study strange lifeforms, and search for a way home in this atmospheric co-op survival adventure.
- 13

METAL GEAR SOLID V: THE PHANTOM PAIN
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Ushering in a new era for the METAL GEAR franchise with cutting-edge technology powered by the Fox Engine, METAL GEAR SOLID V: The Phantom Pain, will provide players a first-rate gaming experience as they are offered tactical freedom to carry out open-world missions.
- 14

METAL GEAR SOLID V: GROUND ZEROES
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
World-renowned Kojima Productions brings the Metal Gear Solid franchise to Steam with METAL GEAR SOLID V: GROUND ZEROES. Play as the legendary hero Snake and infiltrate a Cuban military base to rescue the hostages. Can you make it out alive?
- 15

METAL GEAR SOLID Δ: SNAKE EATER
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
A remake of the 2004 game METAL GEAR SOLID 3: SNAKE EATER, with the same gripping story and engrossing world, now with all new graphics and 3D audio that enhance the jungle atmosphere. Get ready for the ultimate survival stealth action experience.
- 16

METAL GEAR SOLID 3: Snake Eater - Master Collection Version
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
Metal Gear Solid 3: Snake Eater is the origin story of Naked Snake and his mentor The Boss and the fifth title in the METAL GEAR series.
- 17

METAL GEAR SURVIVE
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
METAL GEAR SURVIVE builds upon MGSV’s stealth action gameplay with elements of exploration and survival creating a bold new experience. *An internet connection is required to play the game.
- 18

METAL GEAR SOLID - Master Collection Version
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
The first 3D title in the METAL GEAR series pioneering a new level of stealth action with live action footage, cinematic cut scenes, and innovative gameplay.
- 19

METAL GEAR SOLID 2: Sons of Liberty - Master Collection Version
Single-player alternative to GRADIUS ORIGINS — playable solo, no multiplayer required. Shares Action with GRADIUS ORIGINS.
The fourth game in the METAL GEAR series: set over two incidents in 2007 and 2009, featuring Solid Snake and Raiden, introducing new stealth gameplay features.