r/MrBrainTeasers

Fill the grid with letters A, B, and C so each appears once per row and column. Outer clues indicate which letter is seen first from that direction.

Navigate through the maze from the start at the top-left to the end at the bottom-right. To help you reach the goal, you can use portals: entering Portal 1 or Portal 2 will instantly teleport you to its matching pair

Fill each outlined region of N cells with the numbers 1 through N exactly once. Equal numbers cannot touch one another horizontally, vertically, or diagonally.

Place one tent for every tree. Each tent must be paired with exactly one horizontally or vertically adjacent tree, and each tree must be paired with exactly one tent. Adjacency does not automatically mean pairing: a tree or tent may touch other possible partners. Tents cannot touch, even diagonally.