- There is indeed a tutorial explaining in surprisingly tedious detail how to jump.
- There are social/sharing features. (And even requires an internet connection to play).
- There are rewards for grinding out kills of specific enemy types.
- There are no micro-transactions for consumable items; just a single payment to unlock the full game.
(Also, discussion from 6 years ago: https://news.ycombinator.com/item?id=1320668)
- There is indeed a tutorial explaining in surprisingly tedious detail how to jump.
- There are social/sharing features. (And even requires an internet connection to play).
- There are rewards for grinding out kills of specific enemy types.
- There are no micro-transactions for consumable items; just a single payment to unlock the full game.
(Also, discussion from 6 years ago: https://news.ycombinator.com/item?id=1320668)