Tetraconnect - easy

Rules: Place all seven tetraminos into the grid,once each,IF a cell contains a number,it indicates how many tetraminos are diagonally adjacent to that cell.Clue cells cannot be enmpty.No two tetraminos can be placed edge-adjacent.

Akari - hard

This large butterfly is just as nice as i intended.

Akari - medium

LITS-medium

Magic snail - medium

Enter each number from 1 to 3 into some of the cells such that every row and col contains every number exactly once,and the numbers appear in the sequence 1-2-3..1-2-3.. along the labyrinth going from outside to inside.

LITS - easy

Slitherlink

Coded Math tapa - hard

Math tapa itself is an encoded form of tapa where the clues are results of mathematical operations on the individual digits.I am presenting a variant that encodes these results with letters.Same letters represent same numbers,and different letters represent different numbers.