To start playing Halloween Match3, simply tap the screen buttons if you're using a mobile phone.

Halloween Match3 features different festive themes such as Christmas and Halloween for you to enjoy matching items.

The game description mentions that it has greatly enhanced its overall performance particularly on mobile devices, so it might be optimized for mobile use. However, it should still be playable on PC via emulation or browser-based versions.

As a match-3 game, the core mechanic involves matching three or more items of the same type to clear them from the board. The festive themes add variety to the gameplay with unique graphics and possibly seasonal bonuses.

Many match-3 games allow for offline play, but this would depend specifically on how Halloween Match3 was developed. Check the app store page for details on whether it supports offline mode.

While not explicitly mentioned, many match-3 games include power-ups or special items to help players clear levels more easily. It's worth checking the in-game tutorials or exploring the game to discover these elements.

With positive reviews and active players, Halloween Match3 seems to offer an engaging experience, especially given its festive themes which could set it apart from more generic match-3 titles.

Difficulty can vary depending on the player's skill level and familiarity with match-3 games. The festive themes may introduce new challenges or objectives that could affect the perceived difficulty.