Some construction building games are Viaduct Designer, Railway Bridge, Towerburg, Brick Yard 2, Jungle Tower, Stackle and Perfect Balance NT. The Physics Games, Free Online Games and Bgames websites offer these various games for free.
Players interested in physics-based games can visit the Physics Game site. This site provides a good variety of bridge and tower building games, such as Railway Bridge, FWG Bridge and Jelly Tower. The Railway Bridge game involves players staying within a budget to build a bridge over which a train passes to get to different levels. Similarly, the Jelly Tower game entails constructing a tower with a given set of balls that must touch checkpoint at each level. This site has many other game types, including projectile, block removal and stacking games.
The Free Online Games website has fun games for children, such as Build Up, Towerburg and Build a Wall. The Towerburg game requires stacking blocks to build towers and the infrastructure for a medieval village that needs protection against threats, such as enemies and floods. The game has 30 levels. Build Up is another building game in which players must make stable structures that can withstand certain weights. There are 16 levels in this game.
At the Bgames website, there are also other games of these types, including Stackle and Jungle Tower. The Stackle game is a skill game that involves staking blocks on top of a tower in way that the tower does not topple over.