Tower of Hanoi is a classic mathematical puzzle game that tasks players with relocating a stack of disks from one peg to another following specific rules. The disks are initially sorted in ascending order of size on a single peg, and the objective is to shift all of them to another peg while adhering to the game's regulations.

Solar System: Planets in Order is an online game that combines interactivity with education. It challenges players to correctly sequence the planets within our solar system. This game presents a charming and captivating way to gain knowledge about the diverse planets and their respective positions relative to the Sun.

The Scale of the Universe 2, a creation by Cary Huang, is an educational and engaging online game that delves deep into the vastness and diversity of the universe. Just how enormous is our universe? Well, in this game, you have the ability to zoom in and out within a scale that ranges from the minutest of particles to the most massive of celestial bodies, thereby facilitating your exploration of the astounding magnitudes within our universe.

Electric Box 2, crafted by Twinkle Star Games, presents an intriguing puzzle game experience. The core task within Electric Box is to successfully forge a path for the electrical current, guiding it from the power source all the way to the designated target location. This entails the action of dragging and dropping various items from the inventory, with the aim of facilitating the transmission of power from the primary power supply to the target.

Planetarium 2 stands out as a remarkable solar system simulation. Within this game, you get the opportunity to behold our galaxy in a state of dynamic motion and observe the intricate interactions taking place among a diverse array of planets and stars. Witness the journey of planets like Earth, Mars, Saturn, Venus, and Jupiter as they gracefully travel along their respective orbits encircling the sun. Have you ever been intrigued by the thought of what it would be like to step into the shoes of an astronaut and behold our planet from an entirely different vantage point? Well, this game serves as an ideal means of taking a brief hiatus from the rigors of real life and simply being left in awe by the astonishing wonders of our vast universe.

Little Alchemy is an intriguing puzzle game that revolves around the theme of science. In this game, your task is to combine a variety of different elements in order to generate brand new ones. You start off with four basic items and begin the process of mixing and matching them either with each other or with themselves. Through this activity, a host of new and unique elements will come into being for you to delve into. Discover the elements that make up some of our important everyday objects. If you get stuck at any point, you have the option to look for hints or just randomly combine elements.