Games like Dr. Spacezoo

The Bug Butcher is a fast-paced action shooter set in a futuristic pest control business. Armed with a variety of weapons, players must quickly shoot and dodge swarms of bugs to complete each level. With upgrades, power-ups, and boss battles, The Bug Butcher offers challenging and exciting gameplay.

"Super Mutant Alien Assault" is a challenging arcade-style platformer where you fend off alien attacks on a spaceship. With rapid fire levels and randomized objectives, enemies, and vending machines, each playthrough is unique. Unlock and master a variety of weapons, abilities, and perks to survive and save humanity across three galaxies.

"The Crackpet Show" is a post-apocalyptic, turn-based strategy game where players control a team of mutated animals in a deadly reality TV show. Fight against rival teams and navigate treacherous environments, using a variety of weapons and abilities to survive and claim victory. Customize your crackpets and gear!* *Steam user reviews as of March 2023, game may have changed since then. Reference: - Steam Id: 1390700

Droid Assault is a tactical arcade shooter with 8-bit inspired gameplay, where you battle through hordes of enemy robots across 50 destructible levels. Capture and command a squad of armed droids, each with unique abilities and weapons like lasers, rockets, and flamethrowers. Defeat 48 types of robots, including massive boss 'bots, to complete your mission.

Overload is a Sci-Fi shooter game with both single-player and multiplayer modes, offering an engaging story campaign across 15+ atmospheric levels and various customization options. With 16 upgradeable weapons, over 20 robot types, and a pulse-pounding soundtrack, this game delivers intense action, awesome graphics, and high replayability, including Challenge Mode and survival challenges. However, be prepared for some grinding.

"Flying Tank" is a side-scrolling shoot 'em up game where you pilot a flying tank to reclaim the stolen Earth, either solo or with a friend through Remote Play Together. The game features 24 missions with various factions and adversaries, six main bosses, and numerous customizable weapons, bombs, and upgrades. With artwork by Zsolt Szabo and original music by Kubatko, the game also offers localization in multiple languages .

"Aqua Kitty: Milk Mine Defender" is a fast-paced, retro-style shoot-em-up game. Players protect a school of cat milkmen from robotic enemies while they extract milk from the ocean floor. With upgradeable weapons, power-ups, and multiple levels, it's a challenging and fun experience for fans of classic arcade games.

The Next Penelope is a fast-paced action racing game set in a vibrant, futuristic universe. As Penelope, players search for Ulysses across galaxies, with each planet offering unique races, challenges, and bosses. Utilize weapons and abilities to gain an edge, but beware, as they consume energy and bring you closer to death. The game now includes local multiplayer, additional solo content, and new language options.

Galagan's Island is an Arcade style Space Shooter paying loving homage to classic arcade style & difficulty. This Bullet Hell is sure to satisfy your Shmup Shortage! Featuring 25 LEVELS of handcrafted whimsical charm. Formations so pretty you almost don't want to destroy them.

"Ultratron is a sci-fi shooter game with classic arcade gameplay, updated for the modern era. Fight through 40+ levels as the last humanoid battle droid, with upgrades, pet drones, and special abilities. Play in single-player mode or drop-in two-player co-op, with support for English and five other languages."