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The Games Factory PrototypeOne Hedgehog, namely... Sonic Robo Blast 2
SRB1 ChristmasThe last release before an engine change.
Stealth Engine PrototypeA short lived phase in the game's development, before the jump to Doom.
March 2000 PrototypeWelcome to SRB2: Maze Edition.
July 18th, 2001 prototype
Final Demo 1.09.1When "Final" doesn't always mean "Final".
Final Demo 1.09.3Public test builds distributed on the SRB2 Message Board.
IRC Match BetaAre you really going to give up? We certainly would never give you up.
1.1/2.0 PrototypesLeak protection? In my beta? It's more likely than you think.'SuperEarly' Prototype#
The SuperEarly prototype is a prototype from only one day after programming started on SRB2. As such, it only has minimal changes from stock Doom Legacy 1.28.
- The blue Crawlas had their speed lowered compared to red Crawlas.
- The blue and red Crawlas had their health and reaction time lowered.
- The Detons, Minuses and turrets had their health lowered.
- The height and radius of the turrets' collision has been changed to reflect their appearance as turrets rather than the Arachnotron. 1