diff --git a/less/site.less b/less/site.less
index 421c4a39..3ba5f37b 100644
--- a/less/site.less
+++ b/less/site.less
@@ -326,6 +326,16 @@ a {
 
 .add-chars-overlay {
     padding: 32px;
+
+    .character {
+        .flex();
+
+        width: 100%;
+
+        .name {
+            width: 45%;
+        }
+    }
 }
 
 .carousel-container {
diff --git a/src/cljs/wish/events.cljs b/src/cljs/wish/events.cljs
index 9516f41f..7ad87c5d 100644
--- a/src/cljs/wish/events.cljs
+++ b/src/cljs/wish/events.cljs
@@ -797,36 +797,3 @@
     (when (contains? changed-ids active-sheet-id)
       ; trigger sheet data reload
       {:load-sheet! active-sheet-id})))
-
-
-; ======= Campaign-related ================================
-
-;; can also be passed nil to leave a campaign
-(reg-event-fx
-  :join-campaign
-  [trim-v (inject-cofx ::inject/sub [:active-sheet-id])]
-  (fn [{:keys [active-sheet-id] :as cofx} [campaign-id ?campaign-name]]
-    (if campaign-id
-      (let [info {:id campaign-id
-                  :name ?campaign-name}]
-        (log/info "Joining " campaign-id)
-
-        (-> cofx
-            (update-sheet-path [] assoc :campaign info)
-
-            ; raise a notifier
-            (assoc :dispatch [:notify! {:duration :short
-                                        :content (str "Joined "
-                                                      (or (:name info)
-                                                          "the campaign")
-                                                      " successfully!")}])))
-
-      (do
-        (log/info "Leaving campaign")
-
-        (-> cofx
-            (update-sheet-path [] dissoc :campaign)
-
-            ; raise a notifier
-            (assoc :dispatch [:notify! {:duration :short
-                                       :content "Left the campaign successfully."}]))))))
diff --git a/src/cljs/wish/subs.cljs b/src/cljs/wish/subs.cljs
index e10a849e..aeade2a2 100644
--- a/src/cljs/wish/subs.cljs
+++ b/src/cljs/wish/subs.cljs
@@ -724,29 +724,3 @@
     (when (and sheet-id
                (not (contains? my-sheets sheet-id)))
       (into #{sheet-id} source-ids))))
-
-
-; ======= Campaign-related ================================
-; TODO can these be broken out to a separate file?
-
-(reg-sub
-  :campaign-add-char-candidates
-  :<- [:meta/players]
-  :<- [:known-sheets]
-  (fn [[current-members sheets]]
-    (->> sheets
-         (remove :mine?)
-         (remove (comp current-members :id))
-         )))
-
-(reg-sub
-  :campaign-members
-  :<- [:meta/players]
-  :<- [:sheets]
-  (fn [[char-sheet-ids sheets] qv]
-    (->> char-sheet-ids
-         (map (fn [id]
-                (or (assoc (get sheets id)
-                           :id id)
-                    {:id id})))
-         (sort-by :name))))
diff --git a/src/cljs/wish/views/campaign/chars_carousel.cljs b/src/cljs/wish/views/campaign/chars_carousel.cljs
index b80abf77..3b6eda79 100644
--- a/src/cljs/wish/views/campaign/chars_carousel.cljs
+++ b/src/cljs/wish/views/campaign/chars_carousel.cljs
@@ -4,7 +4,9 @@
   (:require [wish.util :refer [<sub >evt]]
             [wish.util.nav :as nav :refer [sheet-url]]
             [wish.views.error-boundary :refer [error-boundary]]
-            [wish.views.widgets :refer [icon link link>evt]]))
+            [wish.views.widgets :refer [icon link link>evt]]
+            [wish.views.campaign.events :as events]
+            [wish.views.campaign.subs :as subs]))
 
 (defn- sheet-loader [sheet]
   [:div "Loading " (:name sheet) "..."])
@@ -39,10 +41,10 @@
       "Add characters to " campaign-name]
 
      [:div.candidates
-      (for [c (<sub [:campaign-members])]
+      (for [c (<sub [::subs/campaign-members])]
         ^{:key (:id c)}
         [:div.character
-         (:name c)
+         [:div.name (:name c)]
 
          [:input.invite-url
           {:type :text
@@ -50,22 +52,26 @@
            :value (nav/campaign-invite-url
                     campaign-id
                     (:id c)
-                    campaign-name)}
-          ]
+                    campaign-name)}]
+
+         [:div.remove
+          [link>evt [::events/remove-player (:id c)]
+           (icon :close)]]
          ])
 
-      (for [c (<sub [:campaign-add-char-candidates])]
+      (for [c (<sub [::subs/add-char-candidates])]
         ^{:key (:id c)}
         [:div.character
-         (:name c)
+         [:div.name (:name c)]
 
-         [:div
-          "INVITE (todo)"]
+         [:div.add
+          [link>evt [::events/add-player (:id c)]
+           "Add to campaign"]]
          ])]
      ]))
 
 (defn chars-carousel [chars-card-view]
-  (if-let [members (seq (<sub [:campaign-members]))]
+  (if-let [members (seq (<sub [::subs/campaign-members]))]
     [:div.carousel-container
      [:div.carousel
 
diff --git a/src/cljs/wish/views/campaign/events.cljs b/src/cljs/wish/views/campaign/events.cljs
new file mode 100644
index 00000000..6a1f45d5
--- /dev/null
+++ b/src/cljs/wish/views/campaign/events.cljs
@@ -0,0 +1,54 @@
+(ns ^{:author "Daniel Leong"
+      :doc "Campaign-specific events"}
+  wish.views.campaign.events
+  (:require-macros [wish.util.log :as log :refer [log]])
+  (:require [clojure.string :as str]
+            [re-frame.core :refer [dispatch reg-event-db reg-event-fx
+                                   path
+                                   inject-cofx trim-v]]
+            [day8.re-frame.tracing :refer-macros [fn-traced defn-traced]]
+            [vimsical.re-frame.cofx.inject :as inject]
+            [wish.sheets.util :refer [update-sheet-path]]))
+
+;; can also be passed nil to leave a campaign
+(reg-event-fx
+  ::join-campaign
+  [trim-v (inject-cofx ::inject/sub [:active-sheet-id])]
+  (fn [{:keys [active-sheet-id] :as cofx} [campaign-id ?campaign-name]]
+    (if campaign-id
+      (let [info {:id campaign-id
+                  :name ?campaign-name}]
+        (log/info "Joining " campaign-id)
+
+        (-> cofx
+            (update-sheet-path [] assoc :campaign info)
+
+            ; raise a notifier
+            (assoc :dispatch [:notify! {:duration :short
+                                        :content (str "Joined "
+                                                      (or (:name info)
+                                                          "the campaign")
+                                                      " successfully!")}])))
+
+      (do
+        (log/info "Leaving campaign")
+
+        (-> cofx
+            (update-sheet-path [] dissoc :campaign)
+
+            ; raise a notifier
+            (assoc :dispatch [:notify! {:duration :short
+                                       :content "Left the campaign successfully."}]))))))
+
+(reg-event-fx
+  ::add-player
+  [trim-v]
+  (fn-traced [cofx [character-id]]
+    (update-sheet-path cofx [:players] conj character-id)))
+
+(reg-event-fx
+  ::remove-player
+  [trim-v]
+  (fn-traced [cofx [character-id]]
+    (update-sheet-path cofx [:players] disj character-id)))
+
diff --git a/src/cljs/wish/views/campaign/join.cljs b/src/cljs/wish/views/campaign/join.cljs
index 12d2d3d5..7aae5cb0 100644
--- a/src/cljs/wish/views/campaign/join.cljs
+++ b/src/cljs/wish/views/campaign/join.cljs
@@ -2,7 +2,8 @@
       :doc "Join a campaign as a player"}
   wish.views.campaign.join
   (:require [wish.util :refer [<sub >evt click>evts]]
-            [wish.util.nav :refer [sheet-url]]))
+            [wish.util.nav :refer [sheet-url]]
+            [wish.views.campaign.events :as events]))
 
 (defn page [[campaign-id sheet-id ?campaign-name]]
   [:div
@@ -20,7 +21,7 @@
     [:h4 "Would you like to join?"]
 
     [:div.button {:on-click (click>evts
-                              [:join-campaign campaign-id ?campaign-name]
+                              [::events/join-campaign campaign-id ?campaign-name]
                               [:nav/replace! (sheet-url sheet-id)])}
      "Yes! Join " (or ?campaign-name
                       "the campaign")]
diff --git a/src/cljs/wish/views/campaign/subs.cljs b/src/cljs/wish/views/campaign/subs.cljs
new file mode 100644
index 00000000..3c8d77da
--- /dev/null
+++ b/src/cljs/wish/views/campaign/subs.cljs
@@ -0,0 +1,26 @@
+(ns ^{:author "Daniel Leong"
+      :doc "Campaign-specific subs"}
+  wish.views.campaign.subs
+  (:require [clojure.string :as str]
+            [re-frame.core :refer [reg-sub subscribe]]))
+
+(reg-sub
+  ::add-char-candidates
+  :<- [:meta/players]
+  :<- [:known-sheets]
+  (fn [[current-members sheets]]
+    (->> sheets
+         (remove (comp current-members :id))
+         )))
+
+(reg-sub
+  ::campaign-members
+  :<- [:meta/players]
+  :<- [:sheets]
+  (fn [[char-sheet-ids sheets] qv]
+    (->> char-sheet-ids
+         (map (fn [id]
+                (or (assoc (get sheets id)
+                           :id id)
+                    {:id id})))
+         (sort-by :name))))