Games like Birb Race
Games like Birb Race include Vampire Survivors, Drift86, Retrowave, Razortron 2000, and Megabonk. We matched them by the tags players give Birb Race on Steam (Racing, Casual, Arcade, Action Roguelike, and Survival): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Casual · Arcade

Drift86
Shared: Racing · Casual · Arcade

Retrowave
Shared: Racing · Casual · Retro

Razortron 2000
Shared: Racing · Casual · Arcade

Megabonk
Shared: Action Roguelike · Survival · Arcade

Slime Rancher
Shared: Cute · Casual · Singleplayer

Need for Speed™ Unbound
Shared: Racing · Arcade · Singleplayer

To The Core
Shared: Casual · Arcade · Procedural Generation

Forza Horizon 5
Shared: Racing · Arcade · Simulation

OutDrive
Shared: Racing · Casual · Retro

The WereCleaner
Shared: Casual · Arcade · Cute

Backyard Baseball '97
Shared: Casual · Arcade · Cute

Shelldiver
Shared: Casual · Arcade · Cute

Slime Rancher 2
Shared: Cute · Casual · Singleplayer

Garfield Kart
Shared: Racing · Arcade · Casual

That's not my Neighbor
Shared: Casual · Choices Matter · Arcade

Brotato
Shared: Action Roguelike · Singleplayer · Survival

Garfield Kart - Furious Racing
Shared: Racing · Arcade · Casual

Zuma Deluxe
Shared: Arcade · Casual · Cute

Need for Speed™ Heat
Shared: Racing · Arcade · Singleplayer

This War of Mine
Shared: Survival · Choices Matter · Singleplayer

Feeding Frenzy 2 Deluxe
Shared: Casual · Arcade · Singleplayer

20 Minutes Till Dawn
Shared: Action Roguelike · Survival · Casual

Cult of the Lamb
Shared: Action Roguelike · Cute · Singleplayer