Games like Seafrog

"BioGun is a single-player Science Fiction Shooter game with an interesting plot, masterful visuals, and spectacular music. As Bek, you must save the canine species from the Dooper Virus by aiding your dog's immune system, absorbing new powers, and exploring vital organs. Experience fast-paced side-scrolling action with an impressive array of weapons and unique boss battles."

Khimera: Destroy All Monster Girls is a DRM-free beat-em-up platformer, originally released on Steam in 2016, where you play as Chelshia, a synthetic chimera with parts of oni, golem, and harpy, protecting your monster-inhabited island home from looting pirates using GIANT STONE FIST technology. This itch.io version has identical features to the Steam version and can transfer saves between the two.

"Haak is a single-player Platformer game with Metroidvania elements, set in a post-apocalyptic world with unique pixel graphics. As Haak, a traveler from the north, explore the land using your hook, dash, and charged slash to survive against dangerous mutants and dark forces. The hand-drawn retro-futuristic pixel world and intriguing story will keep you engaged through compelling gameplay and phenomenal music."

Pipistrello and the Cursed Yoyo is a 2D top-down platformer blending combat, puzzles, and exploration across a vast urban landscape. Players use a versatile yoyo to battle rival crime entrepreneurs while navigating the city through creative tricks and maneuvers. The game offers multiple solutions to challenges, encouraging inventive approaches and discovery.

"Treasure Adventure World" is an open-world puzzle-platformer with classic gameplay and hand-drawn graphics. Sail across islands, solve cycles-based puzzles, and battle bosses to uncover your past and secrets. The game offers multiple endings, New Game + mode, and hidden collectibles, providing at least 18 hours of single-player gameplay. Enjoy day/night and weather system changes that affect puzzles and gameplay.

"Voidigo is a chaotic roguelite shooter with a focus on dynamic boss fights and weapon synergies. Play alone or with a friend in local co-op, battling bosses that adapt to your strategies. The game features stellar graphics, masterful mechanics, a stellar soundtrack and plenty of replayability, with grinding and humor for good measure."

"Flinthook" is a single-player sci-fi shooter game with outstanding action-platformer gameplay and roguelike elements. As space captain Flinthook, use your hookshot, pistol, and slowmo powers to plunder randomly-assembled spaceships for treasure and loot. Zip around levels at high speeds, shoot in 360 degrees, and slow down time to dodge hazards and take down enemies. The game boasts splendid visuals and an awesome soundtrack, though be prepared for some grinding.

Full Metal Furies is an action-packed RPG with a focus on cooperative gameplay. Control one of four unique heroines with distinct abilities, and work together to defeat enemies and bosses in thrilling, tactical combat. Explore a vibrant world, uncover hidden secrets, and save mankind from the brink of destruction.

In Chronicles of the Wolf, you play as Mateo Lombardo, the last apprentice of the Rose Cross Order, on a dark quest to hunt the legendary Beast of Gévaudan. This fast-paced platformer features intense combat, intricate puzzles, and deep storytelling across vast, dangerous environments filled with secrets and challenging bosses. Engage with locals, discover powerful weapons, and unlock abilities to shape your journey.

"Turbo Kid" is a pixel-art Metroidvania game based on the film of the same name. As a lone warrior, you'll traverse a post-apocalyptic wasteland, battling enemies with an array of weapons, including a machete and the Turbo Glove™. Your trusty BMX bike is your trusty companion, allowing for faster movement and access to new areas.