Here is the full list of all 70 Overdriven Reloaded: Special Edition achievements worth 1,000 gamerscore.
Finish The Story Mode.
Complete the 1st Challenge.
Complete the 2nd Challenge.
Complete the 3rd Challenge.
Complete the 4th Challenge.
Complete 5th Challenge.
Complete the 6th Challenge.
Complete the 7th Challenge.
Find 7 Secret cows. (On the same save file).
Find 15 Alien Artifacts. (On the same save file).
Find 35 Alien Artifacts. (On the same save file).
Finish the Stage 1 with at least Hard difficulty.
Finish the Stage 2 with at least Hard difficulty.
Finish the Stage 3 with at least Hard difficulty.
Finish the Stage 4 with at least Hard difficulty.
Finish the Stage 5 with at least Hard difficulty.
Finish the Stage 8 with at least Hard difficulty.
Finish the Stage 10 with at least Hard difficulty.
Finish the 7 original Stages (1,2,3,4,5,8,10) in hard. (On the same save file).
Complete All Challenges ! (On the same save file)
Resolve the 14 puzzles of color reflex 1.
Resolve the 14 puzzles of color reflex 2.
Resolve the 14 puzzles of color reflex 3.
Resolve the 14 puzzles of color reflex 4.
[THE LINE MODE] - Make at least a score of 5 000 000 pts.
[Story Mode] Finish the Stage 1 with Nightmare difficulty.
[Story Mode] Finish the Stage 2 with Nightmare difficulty.
[Story Mode] Finish the Stage 3 with Nightmare difficulty.
[Story Mode] Finish the Stage 4 with Nightmare difficulty.
[Story Mode] Finish the Stage 5 with Nightmare difficulty.
[Story Mode] Finish the Stage 8 with Nightmare difficulty.
[Story Mode] Finish the Stage 10 with Nightmare difficulty.
[Story Mode] Finish all the 7 original Stages (1,2,3,4,5,8,10) in Nightmare. (on the same save file)
Complete Successes "Overdriven" and "Nightmare's God". (On the same save file)
Finish the game in Arcade Mode.
Don't kill any space octopus in the 2nd Stage.
Kill at least 10 spaces octopuses in the 2nd Stage.
[Manic Mode] Finish The game.
[Manic Mode] Finish the game using only one credit.
Finish the 6th Stage. (Special Edition)
Finish the 7th stage. (Special Edition)
Finish the 6th stage with at least Hard difficulty. (Special Edition).
Finish the 7th stage with at least Hard difficulty. (Special Edition)
Finish the 6th stagewith Nightmare difficulty. (Special Edition)
Finish the 7th stage with Nightmare difficulty. (Special Edition)
Find the 10 space cows. (Special Edition - on the same save file)
Find 40 Alien Artifacts. (Special Edition - on the same save file)
Find 45 Alien Artifacts. (Special Edition - on the same save file)
Finish the boss rush !
Finish the stage 6, 7 and 9. (Special Edition - on the same save file)
Find 50 Alien Artifacts. (Special Edition - on the same save file)
Finish the 9th stage. (Special Edition)
Finish the 9th stage with at least Hard difficulty. (Special Edition)
Finish the 9th stage with Nightmare difficulty. (Special Edition)
Find 20 Alien Artifacts. (On the same save file)
Complete the 1st stage.
Complete the 2nd stage.
Complete the 3rd stage.
Complete the 4th stage.
Complete the 5th stage.
Complete the 8th stage.
Get 1000 hits with the "Hits Counter"
Open a door with an interruptor.
Get 5000 hits with the "Hits Counter"
Pass near from a bullet.
Complete a stage with a score of 1 000 000 pts.
Complete a stage with a score of 5 000 000 pts.
Complete a stage with a score of 10 000 000 pts.
Complete a stage with a score of 15 000 000 pts.
Complete a stage with a score of 20 000 000 pts.