We recommend reading the Quick Guide first that will make things mentioned here easier to follow. Map callout areas have been used for referencing. We have tried to make points that can be applied in Freelance/Squads. However, it can be difficult to apply some points in Freelance.
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Based on Figure A start by opening gushers C and F. If C is high then the Goldie is in gushers A or E.
Based on Figure B if gusher C is low and F is high then the Goldie is in gushers D or G.
Based on Figure C if gushers C and F are both high then the Goldie is in gusher B.
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Based on Figure D if gusher C is low then the Goldie is in gusher D.
Based on Figure E if gusher D is low then the Goldie is in gusher C.
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For best positioning, weapons with a fast fire-rate and good DPS should be in this position with slower weapons on the platform. This is the safest way to play this wave as eggs fall close to basket and can often be run instead of thrown which saves your ink to used on the horde. See Figure A
If the horde switches to the other side then you can adopt this position here and splat the horde as a team with eggs falling even closer to basket. See Figure B
Normal Tide Mothership does not have a large density of spawns anywhere really. A long range weapon can stay on the tower and help splat far Chinooks to help reduce the amount of lessers they will spew. Be sure to throw in some eggs too and not just splat Chinooks the whole time.
The tower area can also be used for long range weapons and specials to shoot additional containers from the Mothership when it is at basket, very easy to practice with Explosher.
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If the first Griller spawns from the steps area and you start the wave on top of the tower you can easily stun the Griller and run the eggs. Now get down to the basket area. See Figure A
If a Griller spawns from the shore the targeted player can stand here along with the team and shoot the tail as it comes up. The same can be said if the Griller spawns from the steps are, you can go to the other side of the basket. See Figure B
If the team misses the stun then jump down to turn the Griller away which gives you another opportunity to shoot the tail. See Figure C
Credit to Gungee for the Map Tool.