Guns mod 1.2.2, adds guns; Auto Rifles, Rifles, and Pistols. It also adds traps like Stick Traps and Spikes!
YUNoMakeGoodMap by LexManos
Adds a new World Type option to generate nothing except for a inital spawn platform, useful for creative players who want to make Skyblock style maps. 2.0 reduces the spawn zone to 1 block, 2.1 is updated to 1.5.2 and srg names, *should* never need a update again ;)
Project Lambda by Melonslise
Project Lambda is an ambitious project aiming to re-create the classic shooter masterpiece, Half-Life, often debated to be the best game of all time that revolutionized its genre, in Minecraft.
This mod adds elements for survival as a mob, weapons, food etc... is Inspired to fallout. It still has some bugs, in fact I created it with Mcreator (I do not know to program in Java / Eclipse)