1- Maybe during the progress update you should add your mech set up and inventory and forum members might help you out when have time to connect and to answer. Some do and some don't.
2- During farming if no other parts around, go to collect basic mech parts. You need to pay close attention to the farming because if you level up parts, the default to eat parts leveling up parts are common and rare parts. Pick basic parts that can be carry on for long if playing for free and even pay to win will need them. Sure, just starting will need to manage with some trashy parts to make things work in some ways for some weeks or maybe luck will be on your part.
Game Default upgrade
If pay close attention to inventory you can eat good parts by mistake. Part like the one circulated, it is RARE good to carry on but also it is less common to be granted per farm.
So, the basic carry-on parts you know them well that come as REARE-EPIC but a bit easier to get them in RARE
MALICE the best to carry-on to R1
FLAMMINATOR can help on top even R1 "Less than Malice" but I had use it in R1 heat mech.
Less useful in the long run but ok to some ranks or combo RARE to collect from mix boxes farming
Work as combo with Flamminator or with another corrupt or DawnBlaze as basic combos.
HOTFLASH it is the other RARE that work with MALICE or ULTRABRIGTH but basic better with Malice.
Those are the 4 parts as basic to collect for free paying carefully attention during grinding getting the mix boxes.
DO NOT LEVEL UP PARTS JUST TO DO WITHOUT CHECK INVENTORY.
3- Sadly, as you know, the game it is based on farming because the cost using gold and buying fuel it is horrendous to get into account level 250 making the grinding a real need even for those time to time pay to win getting few offers around or super spenders like CLEVERNAME that had to grind to get basic. So, the basic to progress an account it is to farm 3 times a day to see some light ahead. Now, the real basic to move it is 4 times a day. Things are harder when start because the fuel cap it is like yours at 47 instead of 95 likes in my account.
The reason to grind 3-4 times it is to get extra STORAGE SPACE, MORE FUEL CAP, MIX BOXES TO LEVEL UP AND FEW OLD GOODIES PARTS.
4- Not everyone can farm 3-4 times a day having school, parental rules, electronic limitations, internet limitations, work and others. The progress it is different for everyone, but everyone wants magic using magic word "PRESTO" to be at top without work for it. Just play the way you can.
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5- PLAY 5 WINS 7 days a week if possible. Lower rank silver coins grants are very low, and the accounts enhancement is very annoying. Higher ranks collect more coins than lower ranks because the grants are based on rank progress. Max arena shop attributes according to you lay game. Because you know already basics, you can pick your own direction on what will be your progress. Mine was FUEL to farm as much I can so level up account faster and get more fuel cap according account levels and shop area to reach 95 maxes in the game.
6- COMPLETE whatever can in the ACHIEVEMENT AREA. Those grant TOKENS
7- PLAY RAID FOR TOKENS WHEN CAN
8- Work a bit building the BASE to get free gold. Level HQ until get the 4 gold mines and level them up. No need more than 3 factories by that time and keep them in L2 simulating no BASE account. There is no need L15 at this point. Too expensive and it is best for now to farm and use farmed parts if grind 3-4 times a day. If not, then will be costly making parts and grinding low making that a bad strategy combination.
9- If no other legs, ok to use the current Iron Boot and do L40. Hold back on transformation and see if get a better leg of MASSIVE FEET sets.
10- Torso Nightmare can be transformed to Myth if no WINDIGO or VEST OR MONKEY
11- Get modules and set modules in full whatever can use for now and level up the parts until reach L30 for the basic ones. Preserve all kind of parts. Start to max the RARE module parts or EPIC available. The shields at left side, you might need 3 of them just for basic protection or the basic single ones for now. Level them up until reach EPIC L30. Get basic plating and make it EPIC L30. Max energy/heat modules and regen/colling units if not good ones, then until reach max EPIC L30. Focus in primary mech.
12- Do not eat all, think before max parts looking always at the inventory. People always screw up in this one.
13- Do not eat what you do not have duplicate even trashy rare parts. Use them to build other mechs in the side but focus into max parts just for primary at this point.
14- Test how far you can go using mech auto farm. Do not try to repeat a loss in the test and preserve the fuel. Lower place and let auto to be able to complete the task without losses and look for a place that grant better gold, HP and mix boxes all combined. I will recommend OD6 Normal for better result until get more gold and mix boxes getting strong in that place. Do it by stages. When get enough strength making some parts a higher level, then move to Hard. Remember that moving to HARD, will be harder but will be easy some stages and gold and XP won't be that supper until reach FROZSEN ABYSS LORD reason I recommend staying in OD6 Normal to get strong and more XP plus gold and mix boxes for a while.
Oh, well. just ask time to time around. Have fun