The ancient Khmer game of Tigers and Cows is the national game of Cambodia where it is known as Kla Si Ko (ខ្លាសុីគោ).
The game of Tigers and Cows is played on a board of 4 x 4 cells. There is a two-player game of uneven sides and is played with four pieces representing tigers and 12 pieces representing cows.

1- How to play
The game has two phases. In the first phase, the Tigers are put at corner of the board. Players take turns to plays and cows start first.Only tigers can move at the first phase. Once all cows have been placed to the board, the second phase started in which the cows can move too.

2- Move and Capture
All tigers and Cows can only 1 step upward, downward or left, right.
The tiger can hop over adjacent cow into a vacant cell beyond along a straight cell. The latter move captures the hopped-over cow which is removed from the board. Cows can not hop or take tigers. Tigers cannot hop over other tigers.

3- Finishing
A game is won by the cows if they succeed in preventing all tigers from being able to move.
A game is won by the tigers if they capture (eat) all cows or preventing all cows from being able to move.

// Option A //

To download KhlaSiKo (ខ្លាសុីគោ) mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download KhlaSiKo (ខ្លាសុីគោ) mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download KhlaSiKo (ខ្លាសុីគោ) from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search KhlaSiKo (ខ្លាសុីគោ) in HappyMod App.