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.

LITS - hard

This one is terribly hard,yet very nice to work with.Let me know your solving time.

Mochinyoro - medium

A nikoli type,and a cousin of nurikabe,mochinyoro is a very interesting puzzle.The constraint on black cells in particular,make it stand out.
Rules:Group the white cells into some rectangles,all connected to each other diagonally.No two orthogonally touching white cells can belong to different rectangles.Every rectangle contains at most one clue,which equals the area of the rectangle.Some rectangles may not contain a clue,which means the area can be any value.Black cells cannot form a rectangle.