Plain Happy Glass Puzzles offers three modes for gameplay. i can collect items to unlock them during play.
Step to fill the glass with water using your problem solving skills.
The description does not state specific controls or buttons. It states three distinct modes of play as a feature.
Most players should think creatively to fill the glass. Use problem solving skills to overcome obstacles.
Q: What are the controls? A: Not stated.
Q: What is the objective? A: Fill the glass with water.
Q: What features are stated? A: Three distinct modes of play.
Q: What is the main mechanic? A: Fill the glass with water.