Thank you for the suggestions Kaboom Kid. Actually there is a quite excellent shmup based on the "Katamari Shmup" idea. You might want to give Tumiki Fighters or its spiritual sequel Blast Works a try, you would probably like it a lot since it's a great game and it does the concept justice. Spoiler (Move your mouse to the spoiler area to reveal the content) Show Spoiler Hide Spoiler Also I too miss environmental hazards. And giant robot fish.