Here is the full list of all 69 BULLET SOUL achievements.
Watched ending movie by loop
Destroyed the True Boss
Defeated real boss at Version B
Pushed bomb button in the state of no bomb
Earned five and over Gold Medals
Earned bonus at stage 4 by destroying all parts of battleship
Earned one hundred million and over points for one playing
Earned five and over Silver Medals
Defeated Geruge at stage 3 after stripped off all its carapace
Shooting down the enemies quickly and raised 70 and over units reinforcements
Played the game by loop
Played the game using Zenichi
Played caravan Mode
Watched the ending movie of Yun
Destroyed the stage 5 boss
Destroyed the stage 5 mid-boss
Earned bonus points by giving way all of the bridge at stage 5
Destroyed the stage 4 boss
Destroyed the stage 4 mid-boss
Destroyed the stage 3 boss
Shot down 1,000 and over units for one playing
Destroyed the wreckage of Gun Frog at stage 3
Destroyed the stage 3 mid-boss
Earned ten and over bonus for one stage
Destroyed the stage 2 boss
Earned bonus by destroying Jagleon simultaneously
Earned bonus by annihilated Z with complete playing
Earned bonus at stage 2 by interrupting base of each blocks
Destroyed the stage 2 mid-boss
Destroyed total 500 units using cross-Shot
Earned the first stage cleared Medal
Destroyed the stage 1 boss
Destroyed the stage 1 mid-boss `B`
Destroyed the stage 1 mid-boss `A`
Played the game using Yun
Played the game using Sadahl
Watched the ending movie of Zenichi
Watched the ending movie of Sadahl
Earned five and over Platinum Medals
Played the Second Loop
Earned Platinum Medal at stage 1 of Bancho mode
Earned Platinum Medal at stage 2 of Bancho mode
Earned Platinum Medal at stage 3 of Bancho mode
Earned Platinum Medal at stage 4 of Bancho mode
Earned Platinum Medal at stage 5 of Bancho mode
Keep a lock-on attacking for 30 seconds
Cleared without using bombs
Using bombs just before being enemy's shot
Earned the bonus at first stage by collapsing the building
Earned ten million and over shooting points by one enemy
Earned various bonus 500 times in total
Earned Tamashii gauge 2,000 magnification in total
Earned Platinum Medal for every stages of bancho mode
Earned the bonus by destroying Gasshern before combining
Destroyed all Otu of caravan mode without losing a life
Destroyed both Twin Mawar
Cleared caravan mode without losing a life
Earned a Platinum Medal at caravan mode
Played caravan mode and remained the records
Playing caravan mode using all units and remained the records
Watched Leaderboards of caravan mode
Renewed best score for three times at caravan mode
Stayed 15 and over seconds at upper direction of the screen, but was shot down
Stayed 30 and over seconds at upper direction of the screen
Being destroyed without using bombs, till at last the game was over
Since starting Boss battle, you could cause above a certain damages by using only bombs
Earned 50 and over medals at Version B(accumulated total)
Earned the Platinum medal five and over at Version B
Watched all of ending movie at Version B