To begin with, it should be understood that in Counter-Strike: Source (CS), there are numerous different map types. These kinds are:
Bomb Map (de). The Terrorist goal within a bomb map is always to cost a particular location (marked on your map) and plant an explosive. The explosive is on the timer, so once it can be planted, you must defend it until detonation.
The counter-terrorist goal on bomb maps is always to prevent the terrorists from planting the bomb without exceptions. This can be achieved by reducing all of the terrorists, defusing the planted bomb, or (occasionally) defending the bomb site until time runs out.
Hostage Rescue (cs). In hostage rescue maps, the principal goal for counter-terrorists would be to rescue hostages captured and held with the Terrorists. You may also win through the elimination of the terrorist team.
The Terrorist goal is usually to simply prevent the counter-terrorists from rescuing the hostages through the elimination of them, or maintaining control over the hostages until time finishes.
Bomb Maps – Counter-Terrorist. Being a counter-terrorist on bomb maps, the best option (definitely) is always to get rid of the terrorist team before they could plant the bomb. Defusing the bomb allows you to a sitting duck, which is a predicament you need to avoid. Maintaining your terrorists looking to plant the bomb means you get to stick to the defensive, that gives you an advantage.
Bomb Maps – Terrorist. As a terrorist, your main goal would be to completely overrun a bomb site. If you can’t manage a bomb site inside the first Thirty seconds, your team may lose the round. The best method is to rush everyone over a team apart from 2 or 3 (tops) one site. Another few players will work as a distraction in the other site, and so the counter-terrorists guarding it are not designed in as re-enforcements.
Hostage Maps – Counter-Terrorist. I have found the best process to be spreading they out and attacking all angles. Coordinate a simultaneous attack if possible, but be certain nobody just “runs in, guns blazing,” because that technique almost guarantees death in a hostage map.
If someone side of the attack seems to punch through and have within the area under Terrorist control, the rest of the team should proceed to that area in order to help the attack.
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