If you are a beginner to Sc2 then the easiest race to use would be Terran, which makes them the most popular in the game. The advantage of playing as Terran when first starting out is their good skill to set up a tough base for your opponent to attack due to Terran's defensive strengths.
The remainder of this article will be discussing tactics and strategies in detail for Terran in Sc2.
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It's important at the start of the game to inspect your base frequently to ensure you reveal any early rush strategies from Zerg or Protoss players. The things you should look for around your base is a possible pylon being constructed. This could mean maybe a photon cannon rush or watch for a zerg player constructing a spawning pool to maybe produce a zergling attack.
On the flip side, when your opponent is trying to rush you, if they are unsuccessful it can actually eat up their resource supply and enables you to move in for a counter tactic.
The early game key to stopping any rushes is watching over your own base and your opponents.
The majority of times your build order will consist of blocking your entry way to your base and constructing structures around your base so that you have the widest vision possible of the map.
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While you are securing your base and building up your defenses, its important to frequently irritate and investigate your opponent and attack with small groups to disorder his build order and plan.
A good Terran tactic to impede your enemy's resources supply is to sneak in behind his base with a drop ship and kill as many probes or drones as possible. A small group of units such as marines or tanks, if well controlled can make a big dint in the mining line and impede handy tactic for Terran that works great is catching your enemy unaware by dropping in tanks or other troops behind his base and taking out as many mining units as possible.
This tactic is a great way to take control of the match and force your enemy to reinforce his base when he was probably planning to attack yours. This tactic is a reasonably low cost to produce the units, but once your opponent pulls back his units to defend against your attack, withdraw your troops and pull back to your base so they are still alive for a possible later similar attack.
Terran is awknowledged as the defensive faction in Sc2, but you wont win a match sitting back defending you still will need to plan attacks. Though you possibly have been told before that the best teams or players have the best defensive. In this case that can be true, but the next Starcraft 2 strategy for Terran is to push your units of defensive forward to your enemy. Traping your opponent in his own base with your siege tanks is a great tactic for Terran when used effectively. This can give you the opportunity to expand, as well as collect up resources to build a group of troops that can finish off your enemy or really make a dint in his base.
Every unit in Starcraft 2 for Terran has a counter unit, and in this situation siege tanks can be countered by air unit attacks, or your opponent may attempt to counter attack your main base when you are making this move on their base. This is why you must to support your seige tanks with units to defend against air attacks.
If you know the map well, another great drop strategy while playing Terran is locating a choke point at close proximity to your enemy's base where you can move in siege tanks to frustrate your enemy on the fringes of his base. Establishing your seige tanks with other units can slow your enemy from countering your attack and can possibly eliminate alot of his base while he is trying to do so.
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Terran has heaps of tactics available and if you would like to become a good Terran player you need to know them all to know when to employ which one.