To start, it needs to be understood that in Counter-Strike: Source (CS), there are many different map types. These types are:
Bomb Map (de). The Terrorist goal in a bomb map would be to cost a specific location (marked in your map) and plant an explosive. The explosive is with a timer, so once it is planted, you have to defend it until detonation.
The counter-terrorist goal on bomb maps is to stop the terrorists from planting the bomb at any cost. This can be done through the elimination of every one of the terrorists, defusing the planted bomb, or (sometimes) defending the bomb site until time ends.
Hostage Rescue (cs). In hostage rescue maps, the main goal for counter-terrorists would be to rescue hostages captured and held by the Terrorists. You can even win by reducing the terrorist team.
The Terrorist goal is to simply stop the counter-terrorists from rescuing the hostages by eliminating them, or maintaining control of the hostages until time runs out.
Bomb Maps – Counter-Terrorist. Being a counter-terrorist on bomb maps, your best bet (certainly) is always to take away the terrorist team before they can plant the bomb. Defusing the bomb making you a sitting duck, and that is a scenario you need to avoid. Maintaining your terrorists trying to plant the bomb means you are free to stay on the defensive, which provides an advantage.
Bomb Maps – Terrorist. As being a terrorist, your main goal would be to completely overrun a bomb site. If you can not take over a bomb site inside the first Half a minute, your team may lose the round. The best technique is to rush everyone on the team apart from A few (tops) to a single site. The other few players will behave as a distraction in the other site, therefore the counter-terrorists guarding it are not equipped in as re-enforcements.
Hostage Maps – Counter-Terrorist. I have found the very best tactic to be spreading they out and attacking coming from all angles. Coordinate a simultaneous attack if possible, but make sure nobody just “runs in, guns blazing,” because that technique almost guarantees death within a hostage map.
If a person side from the attack is able to punch through and obtain within the area under Terrorist control, the rest of the team should turn to that area to be able to assist the attack.
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