diff --git a/src/Mailbomb.sol b/src/Mailbomb.sol
index a6dd2d3..bc105d0 100644
--- a/src/Mailbomb.sol
+++ b/src/Mailbomb.sol
@@ -1,15 +1,6 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.13;
 
-
-/******* Mint Mechanics 
-.00 per unaboomer (BOOMR) - 10k supply
-.02 per bomb (BOMB) - infinite supply
-BOMB holders can randomly mail bombs to other owners
-1 BOMB kills 1 BOOMR - BOOMR image switches to explosion after being bombed
-chaos ensues until 1000 survivors - the game stops
-********/
-
 import {ERC1155} from "solmate/tokens/ERC1155.sol";
 import {Owned} from "solmate/auth/Owned.sol";
 import {LibString} from "solmate/utils/LibString.sol";
@@ -48,6 +39,7 @@ contract Mailbomb is ERC1155, Owned {
     //                              Modifiers
     // =========================================================================
 
+    /// Only main address can mint
     modifier onlyMain {
         require(msg.sender == address(main), "invalid minter");
         _;
diff --git a/src/Main.sol b/src/Main.sol
index 050f246..85d5938 100644
--- a/src/Main.sol
+++ b/src/Main.sol
@@ -91,13 +91,14 @@ contract Main is Owned {
         uint256[] memory tokensKilled
     ) {
         require(_amount <= mailbomb.balanceOf(msg.sender, 1), "not enough bombs");
+        require(_amount <= unaboomer.totalSupply(), "not enough supply");
         bool[] memory res = new bool[](_amount);
         uint256[] memory killed = new uint256[](_amount);
         uint256 boomerSupply = unaboomer.totalSupply();
         for (uint256 i; i < _amount; i++) {
             uint256 randomBoomer = uint256(keccak256(abi.encodePacked(i, block.timestamp, msg.sender))) % boomerSupply;
             bool dud = unaboomer.tokenDead(randomBoomer);
-            unaboomer.kill(randomBoomer);
+            unaboomer.die(randomBoomer);
             res[i] = dud;
             killed[i] = randomBoomer;
         }
diff --git a/src/Unaboomer.sol b/src/Unaboomer.sol
index 9fe82f3..7fd11f7 100644
--- a/src/Unaboomer.sol
+++ b/src/Unaboomer.sol
@@ -1,15 +1,6 @@
 // SPDX-License-Identifier: UNLICENSED
 pragma solidity ^0.8.13;
 
-
-/******* Mint Mechanics 
-.00 per unaboomer (BOOMR) - 10k supply
-.02 per bomb (BOMB) - infinite supply
-BOMB holders can randomly mail bombs to other owners
-1 BOMB kills 1 BOOMR - BOOMR image switches to explosion after being bombed
-chaos ensues until 1000 survivors - the game stops
-********/
-
 import {ERC721A} from "erc721a/ERC721A.sol";
 import {Owned} from "solmate/auth/Owned.sol";
 import {LibString} from "solmate/utils/LibString.sol";
@@ -58,7 +49,8 @@ contract Unaboomer is ERC721A, Owned {
     // =========================================================================
     //                              Modifiers
     // =========================================================================
-
+    
+    /// Only main address can mint
     modifier onlyMain {
         require(msg.sender == address(main), "invalid minter");
         _;
@@ -75,8 +67,8 @@ contract Unaboomer is ERC721A, Owned {
     }
 
     /// Toggle token state from living to dead
-    function kill(uint256 tokenId) external onlyMain {
-        require(tokenId <= totalSupply(), "invalid token id");
+    function die(uint256 tokenId) external onlyMain {
+        require(tokenId < totalSupply(), "invalid token id");
         if (tokenDead[tokenId] == false) {
             killCount++;
             tokenDead[tokenId] = true;
@@ -84,7 +76,7 @@ contract Unaboomer is ERC721A, Owned {
     }
 
     function tokenURI(uint256 _tokenId) public view override returns (string memory) {
-        if (tokenDead[_tokenId]) {
+        if (tokenDead[_tokenId] == true) {
             return string(abi.encodePacked(deadURI, _tokenId.toString(), ".json"));
         } else {
             return string(abi.encodePacked(aliveURI, _tokenId.toString(), ".json"));
diff --git a/test/Unaboomer.t.sol b/test/Unaboomer.t.sol
index a483e0f..902968c 100644
--- a/test/Unaboomer.t.sol
+++ b/test/Unaboomer.t.sol
@@ -51,6 +51,34 @@ contract UnaboomerTest is Test {
         console.log(boomr.killCount());
     }
 
-    // function testX() public {}
-    
+    function testKilling() public {
+        address t = address(1);
+        startHoax(t);
+        main.assembleBombs{value: .1 ether}(10);
+        vm.expectRevert(bytes("not enough supply"));
+        main.sendBombs(10);
+        main.radicalizeBoomers{value: .1 ether}(10);
+        main.sendBombs(10);
+        assertEq(bomb.balanceOf(t, 1), 20);
+    }
+
+    function testFailDirectFunctions() public {
+        address t = address(1);
+        startHoax(t);
+        boomr.radicalize(t, 10);
+        boomr.die(1);
+        bomb.create(t, 10);
+        bomb.explode(t, 10);
+    }
+
+    function testURILogic() public {
+        address t = address(1);
+        boomr.setAliveURI('ipfs://alive/');
+        boomr.setDeadURI('ipfs://dead/');
+        startHoax(t);
+        main.radicalizeBoomers{value: .01 ether}(1);
+        assertEq(boomr.tokenURI(0), 'ipfs://alive/0.json');
+        main.sendBombs(1);
+        assertEq(boomr.tokenURI(0), 'ipfs://dead/0.json');
+    }
 }