Unlockables (North American version):Unlock the following bonuses in the North American version of the game by performing the corresponding tasks:BONUS – HOW TO UNLOCKR-Gear Rollout – Successfully complete Extra mode.R-Gray 0 – Successfully complete Arcade mode.13 Plane mode – Successfully complete Arcade mode and Extra mode. Unlimited credits:To unlock unlimited credits, use 50 continues.Unlockables (Japanese version):Unlock the following bonuses in the Japanese version of the game by performing the corresponding tasks:BONUS – HOW TO UNLOCKArcade mode stage select – Successfully complete 13 Plane Arcade mode.Extra stage select – Successfully complete 13 Plane Extra mode.Rate Viewer – Successfully complete 13 Plane Arcade mode or 13 Plane Extra mode.R-Gear Rollout – Successfully complete Extra mode.R-Gray 0 – Successfully complete Arcade mode.Achievements:ACHIEVEMENT – HOW TO UNLOCKUnlock Arcade Stage Select Mode (10 points) – Complete single player 13 Plane Arcade Mode! Unlock Extra Stage Select Mode (10 points) – Complete single player 13 Plane Extra Mode! Unlock 13 Plane Mode (10 points) – Complete single player Arcade Mode and Extra Mode! R-Gray0 Rollout (10 points) – Complete single player Arcade Mode! R-Gear Rollout (10 points) – Complete single player Extra Mode! Unlock Rate Viewer (10 points) – Complete single player 13 Plane Arcade Mode or Extra Mode! Unlock Unlimited Credits (10 points) – Use 50 total credits in single player. Overall Lockon Average 80% (20 points) – In single player, get an average lock-on percentage of 80% on all stages! Overall Shootingdown Average 80% (20 points) – In single player, get an average kill ratio of 80% on all stages! Lockon Down 10000 Unit (20 points) – In single player, accumulate a total of 10,000 lock-on kills! Shootingdown 15000 Unit (20 points) – In single player, accumulate a total of 15,000 kills! No Continue Clear (50 points) – Complete a single player game (excluding 13 Plane Mode) with no continues!