Credit bonuses:Earn the following amounts of credits by performing the corresponding tasks:CREDITS – HOW TO EARN5 credits – Play for 60 minutes.8 credits – Play for 180 minutes.Unlimited credits – Play for 300 minutes.Unlockable characters:Unlock the following characters by performing the corresponding tasks:CHARACTER – HOW TO UNLOCKR.A.D – Complete Arcade mode as Ruby.Sensei – Complete Arcade mode as Tempest.Unlockable modes:Unlock the following modes by performing the corresponding tasks:MODE – HOW TO UNLOCKRetro mode – Complete Arcade mode as Sensei.Arcade mode – Complete Arcade mode.Challenge mode – Complete Arcade mode.Challenge mode – Complete Arcade mode.Female system voice:Complete Arcade mode as R.A.D.Achievements:ACHIEVEMENT – HOW TO UNLOCKCleared Stage 1 (10 points) – Clear Stage 1 in Single Player Arcade Mode.Cleared Stage 2 (10 points) – Clear Stage 2 in Single Player Arcade Mode.Cleared Stage 3 (10 points) – Clear Stage 3 in Single Player Arcade Mode.Cleared Stage 4 (10 points) – Clear Stage 4 in Single Player Arcade Mode.Ruby Master (25 points) – Beat Single Player Arcade Mode without continues using Ruby.Sensei Master (25 points) – Beat Single Player Arcade Mode without continues using Sensei.Tempest Master (25 points) – Beat Single Player Arcade Mode without continues using Tempest.”R.A.D.” Master (25 points) – Beat Single Player Arcade Mode without continues using R.A.D.30 Second Max Bonus (15 points) – Maintain the max bonus for 30 seconds or more.Don