
There are some of the best free games available online. They’re all fun to play and have been designed to be challenging, but they’re also easy enough for anyone to pick up and play.
If you’re seeking for a game that’s mind numbing and challenging to be played on any device, these might be the ones for you.
They aren’t just free to download rather are also available as full games and don’t require any additional downloads or installations.
1. The Witness

The Witness is a puzzle game set on a vast island. You play as an unnamed character who has been called to this island by your father and asked to solve puzzles for him. The goal of the game is to solve these puzzles and collect all of the letters that make up your name, which will allow you to return home.
There are no dialogue lines in this game; instead, it contains only narration from other characters in addition to its own dialogue (which is also written). This style gives The Witness an open-world feel that’s unlike any other video game out there right now—and it makes it even more immersive than those other games!
2. The Vanishing of Ethan Carter

The Vanishing of Ethan Carter is a first-person psychological horror game set in an open-world environment. It was released on 18 August 2014 and has a rating of 8.5/10 on Metacritic, which means it’s generally well-received by critics and players alike.
The game takes about 6 hours to complete but if you want to dive deep into its secrets, there’s also an achievement system that rewards exploration and discovery over completion times.
3. Portal and Portal 2

Portal and Portal 2 are both first-person puzzle-platform video games developed by Valve Corporation. The game is a sequel to the 2007 experimental game Portal, which was originally released for Microsoft Windows, OS X, and Linux.
Portal 2 was released in 2011 as a direct sequel to its predecessor at E3 2010 on June 11th, 2010 by Valve Corporation on PlayStation 3 (PS3), Xbox 360 (X360) and PC. It has received positive reviews from critics but they criticized some aspects of gameplay such as the lack of variety in puzzles
4. Oxenfree

Oxenfree is an adventure game set on an island. You play as Alex, a teenage girl who brings her new stepbrother Jonas to an overnight party on an abandoned military outpost. While there, they encounter the spirit of a deceased soldier named Sean and must work through his story together.
The gameplay consists of exploring the island and solving puzzles with your friends or alone if you prefer it that way. You can also make choices throughout the story that will affect how things unfold for everyone involved
5. Human Resource Machine

Human Resource Machine is a puzzle game where you play as an android named Bob, who has been tasked with finding out how many workers are needed to complete tasks. You do this by putting together different combinations of robots and humans in order to complete each level. The game features one hundred levels, each with its own unique set of puzzles that will require some thought before they can be solved.
Human Resource Machine’s gameplay has been praised for its simplicity and addictiveness; players have reported spending hours completing just one level! The game also incorporates elements such as social media posts from your boss (who may or may not actually exist), which adds another layer of fun by making it feel like you’re interacting with real-life people instead of playing through a computerized environment alone on your couch at home!
6. Castle of Illusion Starring Mickey Mouse
https://www.youtube.com/watch?v=Lv-5R9t8bJo
This game is a platformer that features Mickey Mouse and his friends. The castle you’ll be working to rescue Princess Minnie from is filled with traps and enemies, but you can use your wits to figure out how to get through them safely.
There are lots of levels and different types of gameplay for different levels, including puzzles (like stacking blocks), collecting items (like coins), or shooting enemies. It’s pretty easy to learn how everything works after playing once or twice, but there’s enough variety here that even adults will find something fun here as well!
7. The Beginner’s Guide

The Beginner’s Guide is a puzzle game that was released in 2016. It has an interesting storyline, which will make you want to play it over and over again. The game is designed for beginners, but it can also be enjoyed by experts if they want something more challenging than other games on this list.
All the games in this list are free to download and can run on almost every computer. These games are great for people who like puzzles, but they don’t require a lot of reading either.
Conclusion
If you’ve got a little time on your hands before the next big event, give one of these games a shot!