diff --git a/src/game/number-round.ts b/src/game/number-round.ts
new file mode 100644
index 0000000..d86aec1
--- /dev/null
+++ b/src/game/number-round.ts
@@ -0,0 +1,78 @@
+import { IGame } from "./types";
+import { Round } from "./round";
+
+const numberRoundInstructions = [
+    'Use C-a and C-x to fix the number on the left side of the math equation',
+    ""
+];
+
+export class NumberRound extends Round {
+
+    private firstNumber: number;
+    private secondNumber: number;
+    private answer: number;
+    private fakeAnswer: number;
+    private winLine: string;
+
+    constructor() {
+        super();
+        this.firstNumber = 0;
+        this.secondNumber = 0;
+        this.answer = 0;
+        this.fakeAnswer = 0;
+        this.winLine = "";
+    }
+
+    public getInstructions(): string[] {
+        return numberRoundInstructions;
+    }
+
+    public async render(game: IGame): Promise<string[]> {
+        this.firstNumber = Math.floor(Math.random() * 5 + 1);
+        this.secondNumber = Math.floor(Math.random() * 5 + 1);
+
+        // To prevent neagtive numbers, which feel wield while playing game
+        if(this.secondNumber > this.firstNumber) {
+            let temp = this.secondNumber;
+            this.secondNumber = this.firstNumber;
+            this.firstNumber = temp;
+        }
+
+        let addOrSubtract = "+";
+        if(Math.random() > 0.5) {
+            // Addition
+            this.answer = this.firstNumber + this.secondNumber;
+            this.winLine  = this.answer + " = " + this.firstNumber + " "
+                + addOrSubtract + " " + this.secondNumber;
+        }
+        else {
+            // Subtraction
+            this.answer = this.firstNumber - this.secondNumber;
+            addOrSubtract = "-";
+            this.winLine  = this.answer + " = " + this.firstNumber + " "
+                + addOrSubtract + " " + this.secondNumber;
+        }
+
+        do {
+            this.fakeAnswer = Math.floor(Math.random() * 5 + 1);
+        }
+        while(this.answer == this.fakeAnswer);
+
+        const lines = new Array(game.state.lineLength).fill("");
+        lines[0] = this.fakeAnswer + " = " + this.firstNumber + " "
+                + addOrSubtract + " " + this.secondNumber;
+
+        console.log("number -- run#rendering", game.state.lineLength, lines);
+
+        game.gameBuffer.clearBoard
+        return lines;
+    }
+
+    public async isRoundComplete(game: IGame): Promise<boolean> {
+        const lines = await game.gameBuffer.getGameLines();
+        console.log("NumberRound#isRoundComplete", lines.indexOf(this.winLine) !== -1, lines);
+        return lines.indexOf(this.winLine) !== -1;
+    }
+}
+
+
diff --git a/src/index.ts b/src/index.ts
index 67e8db4..cbd34ae 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,6 +6,7 @@ import { Game, newGameState } from "./game/base";
 import { GameBuffer } from "./game-buffer";
 import { WhackAMoleRound } from "./game/whackamole-round";
 import { CiRound } from "./game/ci-round";
+import { NumberRound } from "./game/number-round";
 import { Menu } from "./menu";
 
 // this is a comment
@@ -185,13 +186,16 @@ export async function initializeGame(
     if (name === "whackamole" || isRandom) {
         roundSet.push(new WhackAMoleRound());
     }
+    if (name === "number" || isRandom) {
+        roundSet.push(new NumberRound());
+    }
 
     if (roundSet.length) {
         runGame(new Game(nvim, gameBuffer, state, roundSet, {difficulty}));
     }
 }
 
-const availableGames = ["relative", "ci{", "whackamole", "random"];
+const availableGames = ["relative", "ci{", "whackamole", "number", "random"];
 const availableDifficulties = ["easy", "medium", "hard", "nightmare", "tpope"];
 
 const stringToDiff = {