Alien Syndrome (エイリアン シンドローム / 에이리언 신드롬)

Temporary invincibility

Wait until any of these values is showing on the counter:

then collect the boxes with the question marks from the ships.

Final boss power-ups

If you collect a certain amount of question mark boxes throughout the game, you will be rewarded with a power-up when you come to fight the final boss.

Any question mark boxes you collect that are used for temporary invincibility will not count towards your total.

Action Replay codes

00C05403

Infinite lives (keeps showing 3)

00C07B06

Infinite time (keeps showing 305)

00C07501

Starts with only one hostage needed to open the exit

00C8ED01

Flame weapon

See the main page for Alien Syndrome (エイリアン シンドローム / 에이리언 신드롬)