There are 4 main items in Doughlings: Arcade which are essential to collect. These items will help you to improve your skills and compete at harder chapter easily.
Life: Life is required to continue to play upon dying in Doughlings. You can find extra lifes in harder levels.Elixir: Elixirs are required to upgrade character abilities in the lab. Each level (Normal, Hard and Secret levels) rewards player with a different amount of elixirs, depending on the number of stars player collets. The more star you get, the more elixir you will have. Star: Each level contains a varying number of stars. Players can achieve up to 3 stars as a grade for each level and it can be monitored at the bottom right corner of the map during gameplay. With each star level (from 1 to 3), the reward for the end game will increase.
DNA: Each persona has a different DNA which can be collected in levels. To morph into those characters the players have to collect these DNAs.