Event progressions that require players to obtain different collectibles each day promote retention at the start of new seasons.

Sunday City's job progressions, renovation systems, and multi-currency economy have helped it emerge as a top-three avatar-life app.

Developer VGW aims to leverage the Monopoly IP's success in casino to stand out in the saturated match-3 genre.

Gossip Harbor adds a merge event with battle mechanics and cascading merges. Meanwhile, Candy Crush Saga offers an event where players earn tickets for prize draws, and Travel Town releases an exploration-style event.

PUBG Mobile’s Card Collection System is the third seasonal collection released by a tracked core app in the past seven months.

X-Clash's heavy integration of hybridcasual mini-games in its core progression, as well as its bold marketing strategy, has propelled it into the top 20 strategy apps.

Overwatch Rush aims to extend one of gaming's biggest IPs into the mobile market by transforming it into a top-down PvP shooter.

Diablo Immortal introduces a cosmetic collection progression, Clash Royale adds player-choice rewards to its premium battle pass, and Call of Duty: Mobile releases a casual-inspired treasure hunt mini-game.

Turning duplicate collection into a competitive attack-and-defend progression sustains engagement late into collection cycles.

Bingo Diary aims to carve its own niche in the bingo genre by combining traditional bingo gameplay with narrative-based progression.

Caesars Slots and Jackpot Master both introduce merge-2 mini-games, Cash Tornado adds a monthly VIP system, and Jackpot World releases a reward event where players must claim a bundle every day for six days.

CCG monetization diverges based on whether cards drive collection or competition, fueling continuous spend in Pokémon TCG Pocket and encouraging delayed, strategic purchases in Marvel SNAP.