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

Platypus Reclayed
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
22 years after its first appearance, the iconic Platypus is coming back, featuring updated gameplay, new weapons and additional content. Get ready to dive into the heart-pounding action of this fast, frantic, and incredibly fun arcade-style shoot-em-up!
- 2

Platypus II
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Fly the famed Platypus fighter through a fantastic landscape of carefully molded clay to protect inhabitants of Mungola from the Collosatropolians! Collect power-ups and bonus stars to give your Platypus the boost you need. Every level of this gorgeous arcade challenge bursts with original fun that's perfect for gamers of all ages.
- 3

Syder Arcade
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.
- 4

Nex Machina
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
- 5

Earthion
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
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.
- 6

Mega City Force
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Retrowave Action Roguelike featuring tough agents battling crime to the electrifying music of artists like Droid Bishop, Timecop1983, and more! Choose your agent and dive into hardcore action against enemies and bosses, utilizing a vast arsenal and special abilities that will define your playstyle
- 7

Lichtspeer
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
LICHTSPEER is an unforgiving fast-paced lightspear-throwing simulator set in an ancient germanic future. Get ready to feel that beloved 80’s arcade rush in this brutal, stylish and psychedelic adventure. Embrace the future, eat Strudel, play LICHTSPEER.
- 8

Jamestown
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars. It features all the intensity, depth, and lovingly handcrafted pixels of a classic arcade shooter, with a modern twist: deeply-integrated cooperative gameplay.
- 9

Zero Wing
Single-player alternative to Platypus — playable solo, no multiplayer required. Shares Action with Platypus.
Defend the galaxy from vicious space pirates! Seize your foes and fire them back at their allies for devastating destruction in Toaplan's legendary horizontal arcade shooter, now on PC with all-new features and quality-of-life bonuses!