Listmania!
Best Game making software - NOT IN ORDER
The 3D GamemakerThe 3D Gamemaker
Buy used from: £10.99
Ok this maybe isnt the best. But if you just started getting into game editing definitly the right choice. Very easy to use with a wide range of level charecters etc.
DarkBasic ProfessionalDarkBasic Professional
Buy used from: £29.99
Harder to use then 'The 3D gamemaker' but its better as you design the game from scratch.
Blitz 3DBlitz 3D
Expensive but well worth it quite easy but alot of features
DarkMatterDarkMatter
Buy used from: £2.42
If you decide to get 'Darkbasic' this is very handy you can create haracters and 3D skins.
The 3D Gamemaker Lite - Special EditionThe 3D Gamemaker Lite - Special Edition
Buy used from: £0.94
Not great but a good intro to the full 3D game maker - only buy if you are not sure if you should get 'The 3D gamemaker'