- Scrapjacks are now more aggressive like their SS3 counterparts.
- Removed a few unwanted replacement files.
- Blue Biomech can now be Sirian Bracelet'd.

- Added a Sirian Bracelet.
- Fixed a particle not batching.

• Increased the playable area. The Sandwhale lets you venture further now!
  
• Restored multiple enemy behaviours! However, they haven't forgotten their new tricks. SS3 and SS4 collide together!
  
• Scrapjack's firerate now matches that of SS3. Just don't rage them.
  
• More pickables!... and NO SPOILERS!
  
• And yes, you might meet different types of enemies... maybe.

• Brand spanking new intro! Plays only in solo mode.

• Improved the CO-OP logic. Game is 100% CO-OP playable.
  
• The fight music now begins on wave start.

• General map/script optimizations. Will be more beneficial towards folks with CPU bottlenecks.

• General colour palette/lightmap improvements.
  
• Lighting has been slightly updated.

• Enviromental Reverb SFX added!
  
• An ambience track will now play during gameplay.
  
• Enemies now have restored SS3 sound effects where applicable.

• Updated medal times and mission description.
  
• Updated all thumbnails for the map in question.

- Final final hotfix. Fixed crumbs.

- This is really, really, REALLY a final hotfix. Fixed debris not staying.

- I promise I really did add a big thumbnail to the map.
- Added new fancy intro animations to most enemies.
- Added more fancy text.
- Improved heat shimmer effect.

Also added in missing Big Thumbnail in-game.