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How Block Blast harvests its players for ad money

ayoships.com118 points52 comments
Screenshot of How Block Blast harvests its players for ad money

Block Blast’s gameplay rules are largely delivered from its servers rather than fixed in the installed app. Reverse-engineering Android version 10.8.2 revealed a remote configuration assigning players different versions of roughly 700 possible traits; one test installation received 254, including rules for difficulty, revives, and advertising. This means players can experience different gameplay, and the developer can change rules without an app update. The investigation focuses on a trait called RewardHighValueAdHarvest, against a backdrop of estimated ad revenue of $127 million from January to May 2026.

The trait waits until a player has completed three recent rewarded ads, a newly loaded ad is valued at least 3.5 times higher than the previous one, and the player has exceeded their saved high score by a configured margin - 500, 750, or 1,000 points. When those conditions coincide, it overrides the next-piece selection and requests a “lethal” puzzle: a set of three pieces the game’s algorithm identifies as impossible to place. Testing the downloaded code confirmed the trigger across 28 combinations of ad and score inputs. In a live iPhone simulator, the rule read real AdMob prices but did not trigger because the loaded ad was only 1.94 times the previous ad’s value. A recorded gameplay instance shows the rule eventually requesting the lethal set, which the game itself logged as such.

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