SC2Mapster

Teched Marines need to be beaten by ranged mercs with high splash damage and high armor.
Fully upgraded maraiders with full splash and tonnes of armor do well against them, but they'll still get chewed up.
Bring a High Templar with 1 or 2 psi storm upgrades behind your army, psi storm eats marines up because they're very small, and successful storms will regenerate your HT's energy allowing you to almost endlessly cast it.

Dont waste your money on unit shop units, they're only good for special situations.

You should choose which unit group you want to focus more on, marines or mercs. It used to be that Teched Marines were unstoppable, but now in v1.0 they can be beaten by various merc strategies.

If Mercs are your focus, you need to pick an appropriate counter to your enemies mercs. Dont just blindly buy a merc and send it out to die, scout your opponents and see what they got.

If everyone goes Marauders in the start, you should get chargelots.

If there are lots of Biological units on the map (Marauder, Firebat, Destroyer, Marines, etc.), roaches have the highest Bio Damage.

If there are lots of Armored units on the map, Marauders do high armored damage, stalkers also do decent armored damage.

If there are lots of Mech units on the map, Destroyers do high Mech Damage.

If destroyers are your problem, you need to fight them with Non Mech, and Non Armored mercs. Goliaths and Stalkers are a poor choice for counter.
Reavers have shield breaker and will do good vs them.

If someone bought zerglings at the start and havent teched to cracklings in the first 10 minutes, expect hes saving up for a higher merc.

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If you focus on Marines, then its centershop upgrades are limited to 1 per Marine Weapons, so heres what you should do:

Buy a starting merc
Marine Weapons 1
Range, then Attack Speed
Marine Weapons 2
Range and Attack Speed
Marine Weapons 3
Range and Attack Speed
Stimpacks
Health
Weapons
Weapons
Health
Weapons
Weapons
Health
etc.
Throw some armor in there too if you're fighting other teched marines.

Once your Marine Weapons are starting to cost 500+ minerals, buy 1 Merc upgrade and alternate between Merc weapons and Marine Weapons.

No, the first time I gave out my map to someone promising to upload it, they stole it and now everyone has it.

Also adding a map to a different gateway requires localization and alot of things get broken during the conversion so you need to know enough about the editor and the map to fix everything.

Kiwa is the only uploader I trust to send updates to, even though he keeps his version different than mine, and he knows enough about the map/editor to make fixes whenever he localizes the versions I send him so he can transfer stuff onto his version.

I need to pay $60 to buy another copy of SC2 and enable it on the EU region, which I'm not doing just to upload another map.

There is a game mode that limits units, its called "Squad Mode"

There is another mode that forces people to fight, its called "King of the Arena", is basically a Domination-type map where you need to control the 5 Xel Naga Towers (1 is created in the center of the map).

Sudden Death mode also gives minerals to the owner of the center beacon after its been used.

Umm
EU wont have the latest because I dont personally upload to EU

Hellions are long gone, they've been replaced with firebats in my version (v1.0.0)
The old version v0.9.9 was the beta version and is no longer being updated.

There is only 1 popular version of marine arena uploaded (Marine Arena v1.0) on the US Gateway. My Version currently has over 2000+ games per hour, has been on page one since SC2 launch, any stolen versions that pop up on the US gateway never get beyond 2 games per hour.

I'm aware that the EU and SEA gateways have hundreds of stolen and bugged versions of my map uploaded, and there is nothing I can do about that because I cannot personally upload my map on those gateways.

The other gateway's versions (other than masterkiwa's) are stolen and probably bugged/rigged/unbalanced and have some random version that confuses people of which is the latest.
The only EU version that's even close to mine is Kiwa's, so play that one.

@Pro100Ice
What region are you playing on? I cant accept any bug reports from any region other than the US.
The US version is nearly bug-free.

@ODAshockKING
Probably not going to add those, they wouldnt fit well in the arena.
The OMEGALISK (the real one that was removed from the game), would be an awesome unit to have in a different map however, one that focuses on big badass units (zealot frenzy perhaps?)

BTW the real OMEGALISK is the one with spinecrawlers on its back, SC2mapster editors have remade it and called it the UBERLISK.

It only checks within the first 10 seconds of gametime incase people drop on start up. If people leave later in the game, that doesnt matter.

It'll post a tip with the "Cancel Button" as its icon, and will display a UI Message saying "BANKS ARE CLOSED"

If you're unsure if your game's going to be counted, check the tips and see if it had been popped up duing the first 10 seconds of the game.

The victory triggers will be disabled if you start the game with 4 players or less, or with any computers.

If the game has no computers or has greater than 4 players, it will keep the victory triggers enabled.

I set this so people couldnt farm comps or just get friends to help them boost up their bank stats, also disabling the victory triggers and banks will enable the cheats for me and my beta testers to use.

Thor wont get an upgrade to Odin, atleast not for awhile, because the thor is already a heavy hero, it doesnt need a morph to Odin. Maybe when I add a T4 (not for long time though).