Complete stage 1 (on easy+ difficulty)

Complete stage 2 (on easy+ difficulty)

Complete stage 3 (on easy+ difficulty)

Complete stage 4 (on easy+ difficulty)

Complete stage 5 (on easy+ difficulty)

Complete stage 6 (on easy+ difficulty)

Complete stage 1 without dying (on hard difficulty)

Complete stage 2 without dying (on hard difficulty)

Complete stage 3 without dying (on hard difficulty)

Complete stage 4 without dying (on hard difficulty)

Complete stage 5 without dying (on hard difficulty)

Complete stage 6 without dying (on hard difficulty)

Complete the game without dying (on easy+ difficulty)

Complete the game without dying (on normal+ difficulty)

Destroy 100 Enemies (on normal+ difficulty, resets on new session)

Destroy 250 Enemies (on normal+ difficulty, resets on new session)

Destroy 500 Enemies (on normal+ difficulty, resets on new session)

Destroy 1000 Enemies (on normal+ difficulty, resets on new session)

Beat the multi-faced mini boss in stage 1 (on normal+ difficulty)

Beat the dragon mini boss in stage 2 (on normal+ difficulty)

Beat the guardian mini boss in stage 4 (on normal+ difficulty)

Beat stage 1 boss (on normal+ difficulty)

Beat stage 2 boss (on normal+ difficulty)

Beat stage 3 boss (on normal+ difficulty)

Beat stage 4 boss (on normal+ difficulty)

Beat stage 5 boss (on normal+ difficulty)

Beat stage 6 boss (on normal+ difficulty)

Score 100k or higher (on normal+ difficulty, resets on new game)

Score 200k or higher (on normal+ difficulty, resets on new game)

Score 300k or higher (on normal+ difficulty, resets on new game)

Score 400k or higher (on normal+ difficulty, resets on new game)

Score 500k or higher (on normal+ difficulty, resets on new game)

Find a Bowwow in stage 1 (on normal+ difficulty, resets on new game)

Find a Bowwow and a Mirow in stage 2 (on normal+ difficulty, resets on new game)

Find two Bowwows and a Mirow in stage 3 (on normal+ difficulty, resets on new game)

Find a Bowwow and two Mirows in stage 4 (on normal+ difficulty, resets on new game)

Find three Bowwows and two Mirows in stage 5 (on normal+ difficulty, resets on new game)

Find three Bowwows and three Mirows in stage 6 (on normal+ difficulty, resets on game)

Find a hidden miniature house, grabber, Game Boy, Virtual Boy, and VB controller in stage 1 (on normal+ difficulty, resets on new game)

Find a hidden fish and bikini woman in stage 2 (on normal+ difficulty, resets on new game)

Find a hidden hermit crab in stage 3 (on normal+ difficulty, resets on new game)

Find four fox busts, two flowers, and two fox statues in stage 4 (on normal+ difficulty, resets on new game)

Find the hidden man with a flag in stage 5 (on normal+ difficulty, resets on new game)

Find the bikini woman and free the alien in stage 6 (on normal+ difficulty, resets on new game)

Get a booster upgrade (on easy+ difficulty)

Have four booster upgrades at once (on easy+ difficulty)

Go turbo speed (on easy+ difficulty)

Get a missile upgrade (on easy+ difficulty)

Have four missile upgrades at once (on easy+ difficulty)

Restore your sheilds (on easy+ difficulty)

Beat a boss with no sheilds remaining (on easy+ difficulty)

Beat a boss with 10 sheilds remaining (on easy+ difficulty)

Beat stage 1 with 500,000 or more fuel remainging (on easy+ difficulty)

Beat any stage with 100,000 or less fuel remainging (on easy+ difficulty)

Consume less than 4,000,000 fuel in a game (on easy+ difficulty, resets on new game)

Dodge 25 projectiles (on easy+ difficulty, resets on new session)

Dodge 50 projectiles (on easy+ difficulty, resets on new session)

Dodge 100 projectiles (on easy+ difficulty, resets on new session)

Dodge 250 projectiles (on easy+ difficulty, resets on new session)