Index: binaries/data/mods/public/globalscripts/Templates.js
===================================================================
--- binaries/data/mods/public/globalscripts/Templates.js
+++ binaries/data/mods/public/globalscripts/Templates.js
@@ -182,6 +182,18 @@
 				effects.Damage[damageType] = getEntityValue(path + "/Damage/" + damageType);
 		}
 
+		if (temp.Bonuses)
+		{
+			effects.Bonuses = {};
+			for (let bonus in temp.Bonuses)
+			{
+				effects.Bonuses[bonus] = {
+					"classes": temp.Bonuses[bonus].Classes,
+					"multiplier": getEntityValue(path + "/Bonuses/" + bonus + "/Multiplier").toFixed(8)
+				};
+			}
+		}
+
 		// TODO: status effects
 		return effects;
 	};
Index: binaries/data/mods/public/gui/common/tooltips.js
===================================================================
--- binaries/data/mods/public/gui/common/tooltips.js
+++ binaries/data/mods/public/gui/common/tooltips.js
@@ -855,6 +855,44 @@
 	});
 }
 
+function getCountersTooltip(template)
+{
+	warn(uneval(template));
+	if (!template.attack)
+		return "";
+
+	let result = [];
+	for (let attackType in template.attack)
+	{
+		if (!template.attack[attackType].Bonuses)
+			continue;
+
+		let bonusesBody = [];
+		for (let key in template.attack[attackType].Bonuses)
+		{
+			let bonus = template.attack[attackType].Bonuses[key];
+
+			if(bonus.multiplier == 1)
+				continue;
+
+			bonusesBody.push(sprintf(translate("%(multiplier)s× vs %(classes)s"), {
+				"multiplier": bonus.multiplier,
+				"classes": translate(bonus.classes)
+			}));
+		}
+
+		if(!bonusesBody.length)
+			continue;
+
+		let string = headerFont(sprintf(translate("Counters %(attackType)s : "), {
+			"attackType": translate(attackType)
+		}));
+
+		result.push(string + bodyFont(bonusesBody.join(", ")));
+	}
+	return result.join("\n");
+}
+
 function showTemplateViewerOnRightClickTooltip()
 {
 	// Translation: Appears in a tooltip to indicate that right-clicking the corresponding GUI element will open the Template Details GUI page.
Index: binaries/data/mods/public/gui/credits/texts/programming.json
===================================================================
--- binaries/data/mods/public/gui/credits/texts/programming.json
+++ binaries/data/mods/public/gui/credits/texts/programming.json
@@ -83,6 +83,7 @@
 			{"nick": "falsevision", "name": "Mahdi Khodadadifard"},
 			{"nick": "fatherbushido", "name": "Nicolas Tisserand"},
 			{"nick": "fcxSanya", "name": "Alexander Olkhovskiy"},
+			{"nick": "Feldfeld"},
 			{"nick": "FeXoR", "name": "Florian Finke"},
 			{"nick": "Fire Giant", "name": "Malte Schwarzkopf"},
 			{"name": "Fork AD"},
Index: binaries/data/mods/public/gui/reference/common/draw.js
===================================================================
--- binaries/data/mods/public/gui/reference/common/draw.js
+++ binaries/data/mods/public/gui/reference/common/draw.js
@@ -13,6 +13,7 @@
 	getHealthTooltip,
 	getHealerTooltip,
 	getAttackTooltip,
+	getCountersTooltip,
 	getSplashDamageTooltip,
 	getArmorTooltip,
 	getGarrisonTooltip,
Index: binaries/data/mods/public/gui/session/selection_details.js
===================================================================
--- binaries/data/mods/public/gui/session/selection_details.js
+++ binaries/data/mods/public/gui/session/selection_details.js
@@ -306,6 +306,7 @@
 	Engine.GetGUIObjectByName("attackAndArmorStats").tooltip = [
 		getAttackTooltip,
 		getSplashDamageTooltip,
+		getCountersTooltip,
 		getHealerTooltip,
 		getArmorTooltip,
 		getGatherTooltip,
Index: binaries/data/mods/public/gui/session/selection_panels.js
===================================================================
--- binaries/data/mods/public/gui/session/selection_panels.js
+++ binaries/data/mods/public/gui/session/selection_panels.js
@@ -982,6 +982,7 @@
 				getHealthTooltip,
 				getAttackTooltip,
 				getSplashDamageTooltip,
+				getCountersTooltip,
 				getHealerTooltip,
 				getArmorTooltip,
 				getGarrisonTooltip,
Index: binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
@@ -24,7 +24,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear</VisibleClasses>
     <GenericName>Cavalry Spearman</GenericName>
-    <Tooltip>Counters: 1.5x vs. Cavalry.</Tooltip>
   </Identity>
   <UnitMotion>
     <WalkSpeed op="mul">1.1</WalkSpeed>
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
@@ -34,7 +34,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
     <GenericName>Champion Cavalry Spearman</GenericName>
-    <Tooltip>Counters: 1.5x vs. Cavalry.</Tooltip>
   </Identity>
   <UnitMotion>
     <WalkSpeed op="mul">1.1</WalkSpeed>
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
@@ -35,7 +35,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear Pike</VisibleClasses>
     <GenericName>Champion Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/syntagma
       special/formations/testudo
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
@@ -34,7 +34,6 @@
   <Identity>
     <GenericName>Champion Spearman</GenericName>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_hero_cavalry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_hero_cavalry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_hero_cavalry_spearman.xml
@@ -26,7 +26,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
     <GenericName>Hero Cavalry Spearman</GenericName>
-    <Tooltip>Counters: 1.5x vs. Cavalry.</Tooltip>
   </Identity>
   <UnitMotion>
     <WalkSpeed op="mul">1.0</WalkSpeed>
Index: binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
@@ -26,7 +26,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear Pike</VisibleClasses>
     <GenericName>Hero Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
@@ -26,7 +26,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
     <GenericName>Hero Spearman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
@@ -28,7 +28,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear Pike</VisibleClasses>
     <GenericName>Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/syntagma
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
@@ -27,7 +27,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear</VisibleClasses>
     <GenericName>Spearman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
   </Identity>
   <Loot>
     <wood>5</wood>
Index: binaries/data/mods/public/simulation/templates/units/kush_champion_infantry_apedemak.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/units/kush_champion_infantry_apedemak.xml
+++ binaries/data/mods/public/simulation/templates/units/kush_champion_infantry_apedemak.xml
@@ -22,7 +22,6 @@
     <Civ>kush</Civ>
     <GenericName>Meroitic Temple Guard</GenericName>
     <SpecificName>rs ‘Iprmk</SpecificName>
-    <Tooltip>Armor-piercing Axes: Counters 1.3x vs. Champions and Heroes.</Tooltip>
     <VisibleClasses datatype="tokens">Axe</VisibleClasses>
     <Classes datatype="tokens">ApedemakGuard</Classes>
     <Icon>units/kush_champion_apedemak.png</Icon>