Single-player games like flappy bird ultra
Below are 8 single-player Steam games similar to flappy bird ultra, 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 flappy bird ultra page.
Ranked picks
- 1

Mass Effect™ 3 N7 Digital Deluxe Edition (2012)
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Strategy with flappy bird ultra.
Earth is burning. The Reapers have taken over and other civilizations are falling like dominoes. Lead the final fight to save humanity and take back Earth from these terrifying machines, Commander Shepard.
- 2

Grand Pigeon's Duty
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Strategy with flappy bird ultra.
Pigeons organized resistance, which aims to attract people's attention to the problem of hunger and restore bakery companies for their bait.
- 3

Cygnus Enterprises
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Indie with flappy bird ultra.
Action RPG Shooter with Base Management elements, featuring AI NPCs. Take charge of an abandoned outpost, explore a lush alien planet, battle fierce creatures, gather resources, and upgrade your base as you develop your character and bring dozens of distinct weapons to bear.
- 4

Larva Mortus
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Indie with flappy bird ultra.
Larva Mortus is a fast-paced hack and slash top-down shooter. As an agent specializing in exorcism, you are tasked to hunt monsters of the supernatural in a dark, ominous, and randomly generated atmosphere full of undead, terrifying and demonic nightmares.
- 5

Nuclear Throne
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Indie with flappy bird ultra.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 6

Orcs Must Die! 2
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Strategy with flappy bird ultra.
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment.
- 7

EVERSPACE™ 2
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Adventure with flappy bird ultra.
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
- 8

Goobies
Single-player alternative to flappy bird ultra — playable solo, no multiplayer required. Shares Action and Strategy with flappy bird ultra.
Battle thousands of blobs in this roguelike auto-shooter. Travel from island to island, defeat bosses, collect and upgrade items to become more powerful and discover lag-inducing combos in an endless blobbath.