Games like Nuclear Rain

"Vile is a shooter game that offers a range of playstyles with its local multi-player, co-op, and PvP modes for up to 2 players. Fight demonic creatures in procedurally-generated dungeons, completing random objectives for rewards and collecting souls to buy talents from 3 different trees. Play as unique characters, each with distinct abilities, weapons, and artifacts, in this action-packed rogue-lite experience."

You have one goal: ANNIHILATE AS MANY WAVES AS YOU CAN!You are the pilot of the SANDRIPPER, a dual-wielding hover tank. Push your nuclear engine to its melting point as you rip through wave after wave of a ruthless planetary invasion force. EXPERIMENTAL FUNDual-wield the 9 MULTI-FUNCTION weapons along with their strange variants to create the ultimate annihilation machine. Randomized waves, up…

Space Grunts is a turn-based strategy game with pixel art graphics, where players lead a team of space grunts to investigate a mysterious transmission from an abandoned space station. Combat is grid-based, with a variety of weapons and enemies to encounter. The game features procedurally generated levels, adding to its replayability.

"Dungeon Core" is a roguelite game where you explore sewers and an abandoned facility as a clean-up crew member, fighting mutated creatures. The goal is to find and destroy the nuclear core. You can upgrade nine different permanent bonuses, keeping some tech even after failure for future runs' upgrades and shop enhancements. Every new run features unique randomly generated environments.

"Time to Strike" is a roguelike bullet hell game where players create overpowered builds by collecting powerful weapons and modifying them with quirky mods. Experience intense action and discover wild synergies as you blast your way through hordes of enemies. Each purchase includes a Steam key for you to start your journey.

"Resilience: Wave Survival" is a physics-based shooter where you defend against alien invaders, zombies, and robots in an abandoned village. Game modes include Wave, Gun Game, Dead in 5, and Survival, with features like weather, day/night cycle, crafting, and customizable weapons. Explore to scavenge for supplies, upgrade player abilities, and engage in various challenges with high scores and achievements.

"Starward Rogue" is a twin-stick shooter roguelite where you play as a "head in a mech" from the neck of a Space Hydra. Explore evolving catacombs, choose from 9 starting mechs with unique abilities, and encounter 150+ enemies across 500+ rooms. Level up and buy upgrades through the perk system to create varied builds. Play with keyboard+mouse or gamepad.

"Reynard is a procedurally generated action RPG and tower defense game, inspired by classics like Legend of Zelda and Binding of Isaac. Players don the high-tech gauntlet of Reynard, a hero on a mission to rescue his wife and save his home island from invasion. The game features countless dungeons, over 200 items, fast-paced combat, and a progression system, with support for gamepad and keyboard on Windows or Linux."

Witchinour is a roguelite twin-stick shooter centered around fast-paced action and rising difficulty. As an explorer, descend through 7 progressively dangerous areas of a dungeon where an apprentice witch named Nour once got lost. Unlock 6 class abilities, 5 spells, 21 weapons, and 40 upgrades, while facing 1 dynamic difficulty system and 6 difficulty modifier levels to test your skills.

In Void Raiders, become the most feared raider on Neptune by shooting your way through exotic locations and battling humans and aliens. Collect powerful artifacts, relics, and shards to upgrade your characters, equipment, and tavern base of operations. This sci-fi top-down shooter emphasizes character progression and intense combat.