There are tons of PC games available nowadays, many of them are free of cost. Ratings of these games keep changing from time to time according to the popularity or availability of new games in the market as inflow rate of new games is very high. But over the long period of time, there have been some very popular games. Top five free games among those are listed below
Crosswords is a Freeware game for solving crossword puzzles. Once it is downloaded, the missing letters can be filled up to reach the desired secret phrase. If the secret phrase is discovered and all letters are filled up successfully, the game finishes. A crossword is made of rectangular boxes, most of which are blank and have to be filled up with alphabetic letters. Words (that are defined by the rest of the elements showing hints) are made by the letters. Words can be written in horizontal or vertical manner just next to the blocks defining them.
Sudoku is a very popular window game. It contains nine 3×3 boxes in one big square box. Every Sudoku game has a logically reachable solution that is unique. The goal is to enter the numbers in blank spaces so that each row, column and 3×3 box contains numbers ranging from 1-9.
Tetris is again a very interesting free windows game. Tetris game provides the user with flexibility to customize the height and width and also the number of bricks per line and per column. It comes in different versions, some of which are paid but many are free.
4. Frozen bubble
Frozen bubble is another freeware game where you control a small canon with which you shoot bubbles and try to hit other bubbles in order to create groups of 3 or more bubbles of the same color. Whenever this is accomplished these bubbles go away. Its a very addictive game. Game is complete when all the bubbles are eliminated.
5. Kiki the nanobot
Kiki the nanobot is a hybrid product of Sokoban and Kula world. This is an interesting puzzle game. It has 50 levels. Kiki has to perform certain task in order to exit each level and reach next level. This game shows the happy world of nanobots and how kiki saves his world from destruction by performing tasks. There is also a background story that tells the happy world in which the tiny robots live.