アヒルかも？ Duck or Duck is a casual game developed by Happy Elements K.K that is perfect for filling in the gaps of your day. The game is available for Android users and is free to download. The objective of the game is to sort the birds that appear on the screen by flicking them to the left for "duck" and to the right for "kamo." If you flick a bird in the wrong direction or miss an object, the game is over.

The game has two modes: Thorough Sorting and Score Attack Sorting. In Thorough Sorting, you can sort as many birds as possible until you fail. In Score Attack Sorting, you have 60 seconds to sort as many birds as possible. Additionally, there is a speedrun mode and a high score ranking. The game also features a picture book of ducks that you can unlock as you progress. Overall, アヒルかも？ Duck or Duck is a fun and addictive game that you can play anytime and anywhere.