Heres a damn good cheapie ($4.99) indie twin stick shooter I grabbed recently for the Deck called Farm Harbeest.
https://store.steampowered.com/app/4617090/Farm_Harbeest
It's in another language, but you can switch it to English or anything you want. You're a bee with a gun, and you shoot and harvest materials til it starts to get dark, then get back to base and turn in the materials for upgrades. Been playing a ton of this one.
#Steam #SteamGames #shooters #FarmHarbeest #SteamDeck #indie #IndieGames #TwinStickShooters