See the article here: Fixing Commandos for solutions to make the game playable. Due to it's age most modern PCs will run the game impossibly quickly making it difficult to play but both Steam and GoG.com version have been patched. There are some important issues with Commandos: Behind Enemy Lines. Despite the many special-ops chronicles of recentwalk-overs in the Middle East, the Vietnam war is still the mythic heartland of great commando literature.

However, in the demo version of this game, it will let you play two of the twenty missions from the full version which are the following below.

In the reduced version of this game known as 'Commandos: Behind Enemy Lines - The Early Battles', you will only play four of the twenty missions which are the following below.

In some versions of the game, If you don't obtain a rank of at least Captain by the end of mission 19, the game will end here instead of letting you play mission 20.

Frustrate Retaliation / Frustated Revenge Based on real historical events during World War II, Commandos: Behind Enemy Lines is an action-packed tactical war game.

The Force of Circumstance / The Strength of Hazard CommandosBehindEnemyLines Identifier-ark ark:/13960/t8dg1678d Ocr ABBYY FineReader 11.0 Pages 17 Ppi 600 Scanner Internet Archive Python library 0.9.1.

Menace of the Leopold / Leopold's Menace.

Reverse Engineering / Backward Throttling.

The first one is the name in the European version, and the second one after the slash is the mission's name in American version, if it is different. The missions names are different between American and European copies of the game. There are 20 missions in total in Commandos: Behind Enemy Lines.

Commandos: behind enemy lines