Setup:

A spider starts with one spider at anywhere on the board above ground, and is carrying 10 ants in a cocoon.

Each ant player starts with 4 ant groups each containing 5 ants, 1 queen ant, 20 excavated squares (which must be connected and touching the exit), and 30 food points.

Spiders:

A spider's goal is to have 50% of above ground covered with web and 20 ants cocooned.

The spider loses if all his spiders die or his turn ends with his last spider touching a fungus.

Spiders have 20 max hp, and may regain 1 per movement point spent healing.

A spider may also eat an ant for 2 hp, or a cocoon for 4*(number of ants in cocoon) hp.

Spiders die if they go below 1 hp, and turn into 20 food points (5/square).

Spiders can go anywhere above ground (other than large water section... spiders can cross water if it is less than 2 squares wide, or covered by a web), and incur no movement penalties on any other terrain.

Spiders cannot go underground.

Spiders have 10 movement points, and can spend move points on various tasks, but moving one square in any direction costs 1 move point. (diagonals are allowed)

A spider moves twice as fast if it is on a web.

A spider can attack an ant or ant group once per turn, before, after, or in the middle of a move (see attacking)

If a spider wins an attack, it can pick up and ant.

A spider can eat, drop, or feed an ant to an egg at any point during its turn.

A spider may not go within 2 spaces of the fungus, and dies if it touches a fungus.

If a spider feeds an ant to an egg, that egg hatches and is a new spider at the beginning of the spider's next turn.

The spider player may not control more than five spiders at any time (therefore, when the spider player has 5 spiders, he may not hatch any more eggs)

Building (spiders):

A spider may build one web square for one movement point and one hp(thus, a spider may build up to 10 web squares surrounding and/or underneath himself, and then move once more during his turn).

A spider must build a web in a square he is directly touching (including diagonals)

A spider may also build webs across water by spending the number of water tiles spanned movements points and hp.

A spider may destroy any web it is touching whenever it feels like it.

A spider may cocoon up to two ants on a web for two move points and 1 hp, or a group of up to 5 ants for 5 move points and 3 hp.

A cocooned ant counts as 2 food points (ants only) and can be carried/fed exactly like an ant. (if a cocoon has more than one ant in it, it counts as 2 * (number of ants) food points for ants, and can feed (number of ants) eggs)

A cocooned ant is dead and can no longer be controlled by the ant player.

An ant that is being carried may be cocooned for one movement point (no hp cost).

Cocoons may be merged/split as needed for no cost. (for example, a spider may eat 2 out of 5 ants in a cocoon, or merge a 2 ant cocoon with a 1 ant cocoon)

A spider may lay 10 eggs for 10 move points and 10 hp, but cannot lay any less (a spider must spends its full turn laying eggs, and may not do anything else during its turn, or split this up between turns). A spider may do this with < 10 hp, but dies at the end of the turn.

Each egg is worth 5 food points. (ants only)

Eggs may be carried like ants, but not fed to other eggs.

One ant may carry one egg.

Attacking:

If a spider attacks a group of ants, the spider rolls 2d6, and the ant's player rolls a d6 and adds the number of ants in the group to the total (two times number of ants in group if red ants). The ant player rolls first.

If the spider's two dice multiplied together is less than the ants d6+(number of ants in group), he takes damage equal to the number of ants in the group.

If the spider's two dice multiplied together is greater than the ant's d6+group, the spider may either pick up an ant, or kill up to the difference between roll's number of ants in the group (divide by two and round up for number of red ants killed).

If the ant player rolls a 6, they may choose to avoid combat BEFORE the spider rolls.

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Ants:

An ant player starts with two groups of 6 ants, a queen, 30 food points being carried by the ants, and 9 excavated tiles in their base (a square). The player may choose to have their ant hole located on any unobstructed tile on "their" half of the board.

There are two types of ants, red ants and black ants.

Red ants count as two ants when in battle, and black ants can move twice as far and excavate twice as much as red ants.

An ant's goal is to have 100 food points in storage, and 50 ants.

An ant group is composed of up to 6 ants.

An ant group has 5 movement points per turn.

Ants can be grouped together (to a max of 6 in a group) or split apart into smaller groups at the end of a player's turn.

A movement point may be used to:

Move to 1 adjacent square (up to two for black ants), ants move at 1/2 speed across web.

Excavate up to (number of ants in the group) surrounding dirt tiles. (twice as much for black ants)

An ant group may spend 5 movement points (1 full turn) when on a web space to collect the web, resulting in 1 web point per ant in the group.

An ant group may also build a bridge across water, using the remainder of movement points. There must be at least as many ants in the group that bridges as the number of squares to span.

A group may stop acting as bridge, and are reformed at either endpoint with zero movement points.

An ant may pick up up to 5 food points worth of food from any source except the fungus. (therefore, a group of 5 ants may carry up to 25 food points).

When an ant group gets to the fungus, roll (number of ants in group) d6, and sum the total, ignoring any excess, and that is how much food you got from the fungus this turn. Collecting food from the fungus takes 5 movement points (1 full turn). For every 5 points of food taken from the fungus, remove a fungus square from the fungus. (for example, if there are 3 fungus tiles next to each other, and an ant group manages to extract 25 food from one of them, two tiles are removed, starting with the tiles closest to the ant group harvesting it. Note: an ant group may harvest more as much food as they can hold from any amount of fungus tiles - one tile of fungus can therefore have up to 30 food points in it, the removal is due to the harvesting). A fungus group cannot be completely harvested, e.g. one tile will always live to expand next turn, but may not be harvested more than once.

An ant may also turn 2 food into a fungus, but this fungus neither spread nor may it be harvested, it is merely a ward against the spider.

Queen:

A queen has 10hp.

Each ant player has one queen. If the queen dies, that player must spend 5 movement points and 5 food points on an egg to turn it into another queen.

A queen has 5 movement points and may spend them on:

2 movement points to move 1 square.

1 movement point and 1 hp to lay an egg, or 1 web point and no movement or hp to lay an egg (web points must be within 1 square of a queen)

The queen may eat 1 food point in range (1 square reach) for 1 hp.

combat:

see spiders for combat with spiders.

Combat takes the remainder of the ant's movement points

ant vs. ant:

when attacking another ant group, the both sides roll d6 + number of ants in their group (double for red ants). The winner comes out of combat with (the difference between the rolls) ants alive (1/2 for red ants... their ants count as double).

ant vs. queen:

If an ant group decides to try to kill an enemy ant's queen, roll like ant vs. ant, except the queen gets to roll 2d6 + 6, regardless of being red or black. If the queen wins or ties the roll, she kills all attacking ants and takes no damage. if she loses the roll, she takes (difference between rolls) damage.

Miscellaneous:

Above ground and below ground are directly mapped to each other, with the connections being marked as ant holes on both above and below ground sheets.

The fungus expands in one random direction each turn right before the spider moves. Each fungus group expands in this way. Fungus will expand onto web only when they cannot expand anywhere else, destroying the web as it expands.

A fungus will not spread over water.

If an anthole is covered in web, it may not be used and can only be uncovered by harvesting the web from above ground.