Plus, who doesn't love the satisfaction that comes only after beating the most difficult boss battles of the game? (cogconnected.com)
Do that with all four of the 5th world levels and you earn the right to face the final boss, who in hindsight wasn't even the most difficult boss in the game. (thevitalounge.net)
Plus, who doesn't love the satisfaction that comes only after beating the most difficult boss battles of the game? (cogconnected.com)