How to get Coins
There are several ways in which you can earn coins in Wario Ware: Get it Together, these are listed below in no particular order:Complete Story Mode
Simply completing all the stages which you have to complete anyway will earn you 1,000 Coins per stage. Try to hang onto your Coins and not waste them on 'continues'.Complete Wario Cup
New options will become available once you have completed the Story mode, one of these is the challenge mode Wario Cup, which features a selection of difficult challenges that are only available for a limited time. Tackling those challenges can earn you up to 6000 Coins in one go. These challenges can be attempted as many times as you want during the period they are available. Use the challenges as a way to practice and earn all the rewards.Complete Missions
Missions in Wario Ware: Get it Together are basically Achievements and there are four types: General, Score, Game, and Crew Member. The two that will enable you to get a lot of Coins are Score and Game. Score Missions involve reaching a certain score within a mini-game set in the story and can earn you 1000-2000 Coins for completing them and Game Missions involve completing a mini-game in the Play-o-Pedia in a unique or challenging way, these only pay out 800 coins each, but they can be completed quickly. Grind Challenge Levels
When you reach the end of Story mode, three Challenge sets become unlocked: All Mixed Up, Super Hard, and Thrill Ride. Each of these Challenges has a set of missions that can net you thousands of Coins.