BLOB WARS : Metal Blob Solid v1.19
http://en.wikipedia.org/wiki/Blob_Wars

The Windows version can be downloaded from here:
http://games.softpedia.com/get/Freeware ... olid.shtml
OR:
http://sourceforge.net/projects/blobwars/files/
sample screenshot:

· Platform game
· Over 25 missions
· More than 8 hours' gameplay!
· 4 difficulty settings
· Large levels with different environments, such as water, lava, ice and slime.
· Use a variety of different weaponary, including machine guns and laser cannons.
· Multiple objectives
· Jetpack and Aqua Lung items to find
· Optional blood and gore
· Boss Battles!
Also, there's
Blob Wars: Blob and Conquer 1.11
This is the the prequel to the other, and this version ONLY RUNS ON LINUX.

http://linux.softpedia.com/progDownload ... 11101.html