Turbo the Tortoise by BiNMaN is Jump’n’Run game made for Sinclair ZX Spectrum.
In this game, you play as a tortoise trying to clear the stage full of enemies. You can jump, crouch, shoot and climb. Avoid all enemies or shoot them so they don’t bother you anymore. There are bonus stages as well inside the levels. You enter through a caveway and there you can collect more ammos and health stuff.