Forced to watch ads or given rewards for watching ads.
"Yes, it isn't as bad because it's chosen advertisement but you can get wishes or gold or crystals if you watch ads and because your wish cap is 3, a lot of the time you'll have to watch ads to get more"
"when restarting a level or if you want any bonus help for a level it is only given after watching an ad"
"Ads are consensual. They are used as a way to directly earn premium currency or skip cooldowns. The player has the option to select an ad to do these things."
"Gems, one of the currencies needed to upgrade are acquired mainly by watching adds They are also used for opening crates which is the only source of astronauts"
"Advertisements only exist once the player crashes and are completely optional. Watching an ad will reward the player with double the coins they've earned. The player typically earns 5% of their score in coins once they crash - for example, scoring 700 points will only give the player 35 coins. This tempts the player into watching an advertisement since coins are given conservatively."