diff --git a/src/utils/constants.ts b/src/utils/constants.ts
new file mode 100644
index 0000000..a703d50
--- /dev/null
+++ b/src/utils/constants.ts
@@ -0,0 +1,72 @@
+import { SkillName, ClueType, BHType, Gamemode, Mode } from '../types';
+
+export const BASE_URL = 'http://services.runescape.com/m=hiscore_oldschool';
+export const STATS_URL = 'index_lite.ws?player=';
+export const SCORES_URL = 'overall.ws?';
+export const GAMEMODE_URL = {
+  dmm: '_deadman/',
+  dmmt: '_tournament/',
+  hc: '_ironman/',
+  iron: '_ironman/',
+  main: '/',
+  sdmm: '_seasonal/',
+  ult: '_ultimate/',
+};
+export const SKILLS: SkillName[] = [
+  'overall',
+  'attack',
+  'defence',
+  'strength',
+  'hitpoints',
+  'ranged',
+  'prayer',
+  'magic',
+  'cooking',
+  'woodcutting',
+  'fletching',
+  'fishing',
+  'firemaking',
+  'crafting',
+  'smithing',
+  'mining',
+  'herblore',
+  'agility',
+  'thieving',
+  'slayer',
+  'farming',
+  'runecraft',
+  'hunter',
+  'construction',
+];
+export const CLUES: ClueType[] = [
+  'all',
+  'beginner',
+  'easy',
+  'medium',
+  'hard',
+  'elite',
+  'master',
+];
+export const BH: BHType[] = ['rogue', 'hunter'];
+export const OTHER = [
+  'hunterbh',
+  'roguebh',
+  'lms',
+  'allclues',
+  'beginnerclues',
+  'easyclues',
+  'mediumclues',
+  'hardclues',
+  'eliteclues',
+  'masterclues',
+];
+export const GAMEMODES: Gamemode[] = [
+  'main',
+  'iron',
+  'hc',
+  'ult',
+  'dmm',
+  'sdmm',
+  'dmmt',
+];
+export const MODES: Mode[] = [...GAMEMODES, 'full'];